The MultipartParser using the package python-multipart accepts an unlimited number of multipart parts (form fields or files).
Processing too many parts results in high CPU usage and high memory usage, eventually leading to an OOM process kill.
This can be triggered by sending too many small form fields with no content, or too many empty files.
For this to take effect application code has to:
Have python-multipart installed and
call request.form()
or via another framework like FastAPI, using form field parameters or UploadFile parameters, which in turn calls request.form().
Patches
The vulnerability is solved in Starlette 0.25.0 by making the maximum fields and files customizable and with a sensible default (1000).
Applications will be secure by just upgrading their Starlette version to 0.25.0 (or FastAPI to 0.92.0).
If application code needs to customize the new max field and file number, there are new request.form() parameters (with the default values):
max_files=1000
max_fields=1000
Workarounds
Applications that don't install python-multipart or that don't use form fields are safe.
In older versions, it's also possible to instead of calling request.form() call request.stream() and parse the form data in internal code.
In most cases, the best solution is to upgrade the Starlette version.
References
This was reported in private by @das7pad via internal email. He also coordinated the fix across multiple frameworks and parsers.
The details about how multipart/form-data is structured and parsed are in the RFC 7578.
Release Notes
encode/starlette
### [`v0.25.0`](https://togithub.com/encode/starlette/releases/tag/0.25.0): Version 0.25.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.24.0...0.25.0)
##### Fixed
- Limit the number of fields and files when parsing `multipart/form-data` on the `MultipartParser` [8c74c2c](https://togithub.com/encode/starlette/commit/8c74c2c8dba7030154f8af18e016136bea1938fa) and [#2036](https://togithub.com/encode/starlette/pull/2036).
### [`v0.24.0`](https://togithub.com/encode/starlette/releases/tag/0.24.0): Version 0.24.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.23.1...0.24.0)
##### Added
- Allow `StaticFiles` to follow symlinks [#1683](https://togithub.com/encode/starlette/pull/1683).
- Allow `Request.form()` as a context manager [#1903](https://togithub.com/encode/starlette/pull/1903).
- Add `size` attribute to `UploadFile` [#1405](https://togithub.com/encode/starlette/pull/1405).
- Add `env_prefix` argument to `Config` [#1990](https://togithub.com/encode/starlette/pull/1990).
- Add template context processors [#1904](https://togithub.com/encode/starlette/pull/1904).
- Support `str` and `datetime` on `expires` parameter on the `Response.set_cookie` method [#1908](https://togithub.com/encode/starlette/pull/1908).
##### Changed
- Lazily build the middleware stack [#2017](https://togithub.com/encode/starlette/pull/2017).
- Make the `file` argument required on `UploadFile` [#1413](https://togithub.com/encode/starlette/pull/1413).
- Use debug extension instead of custom response template extension [#1991](https://togithub.com/encode/starlette/pull/1991).
##### Fixed
- Fix url parsing of ipv6 urls on `URL.replace` [#1965](https://togithub.com/encode/starlette/pull/1965).
### [`v0.23.1`](https://togithub.com/encode/starlette/releases/tag/0.23.1): Version 0.23.1
[Compare Source](https://togithub.com/encode/starlette/compare/0.23.0...0.23.1)
##### Fixed
- Only stop receiving stream on `body_stream` if body is empty on the `BaseHTTPMiddleware` [#1940](https://togithub.com/encode/starlette/pull/1940).
### [`v0.23.0`](https://togithub.com/encode/starlette/releases/tag/0.23.0): Version 0.23.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.22.0...0.23.0)
##### Added
- Add `headers` parameter to the `TestClient` [#1966](https://togithub.com/encode/starlette/pull/1966).
##### Deprecated
- Deprecate `Starlette` and `Router` decorators [#1897](https://togithub.com/encode/starlette/pull/1897).
##### Fixed
- Fix bug on `FloatConvertor` regex [#1973](https://togithub.com/encode/starlette/pull/1973).
### [`v0.22.0`](https://togithub.com/encode/starlette/releases/tag/0.22.0): Version 0.22.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.21.0...0.22.0)
##### Changed
- Bypass `GZipMiddleware` when response includes `Content-Encoding` [#1901](https://togithub.com/encode/starlette/pull/1901).
##### Fixed
- Remove unneeded `unquote()` from query parameters on the `TestClient` [#1953](https://togithub.com/encode/starlette/pull/1953).
- Make sure `MutableHeaders._list` is actually a `list` [#1917](https://togithub.com/encode/starlette/pull/1917).
- Import compatibility with the next version of `AnyIO` [#1936](https://togithub.com/encode/starlette/pull/1936).
### [`v0.21.0`](https://togithub.com/encode/starlette/releases/tag/0.21.0): Version 0.21.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.20.4...0.21.0)
This release replaces the underlying HTTP client used on the `TestClient` (`requests` :arrow_right: `httpx`), and as those clients [differ *a bit* on their API](https://www.python-httpx.org/compatibility/), your test suite will likely break. To make the migration smoother, you can use the [`bump-testclient`](https://togithub.com/Kludex/bump-testclient) tool.
##### Changed
- Replace `requests` with `httpx` in `TestClient` [#1376](https://togithub.com/encode/starlette/pull/1376).
##### Added
- Add `WebSocketException` and support for WebSocket exception handlers [#1263](https://togithub.com/encode/starlette/pull/1263).
- Add `middleware` parameter to `Mount` class [#1649](https://togithub.com/encode/starlette/pull/1649).
- Officially support Python 3.11 [#1863](https://togithub.com/encode/starlette/pull/1863).
- Implement `__repr__` for route classes [#1864](https://togithub.com/encode/starlette/pull/1864).
##### Fixed
- Fix bug on which `BackgroundTasks` were cancelled when using `BaseHTTPMiddleware` and client disconnected [#1715](https://togithub.com/encode/starlette/pull/1715).
### [`v0.20.4`](https://togithub.com/encode/starlette/releases/tag/0.20.4): Version 0.20.4
[Compare Source](https://togithub.com/encode/starlette/compare/0.20.3...0.20.4)
##### Fixed
- Remove converter from path when generating OpenAPI schema [#1648](https://togithub.com/encode/starlette/pull/1648).
### [`v0.20.3`](https://togithub.com/encode/starlette/releases/tag/0.20.3): Version 0.20.3
[Compare Source](https://togithub.com/encode/starlette/compare/0.20.2...0.20.3)
##### Fixed
- Revert "Allow `StaticFiles` to follow symlinks" [#1681](https://togithub.com/encode/starlette/pull/1681).
### [`v0.20.2`](https://togithub.com/encode/starlette/releases/tag/0.20.2): Version 0.20.2
[Compare Source](https://togithub.com/encode/starlette/compare/0.20.1...0.20.2)
##### Fixed
- Fix regression on route paths with colons [#1675](https://togithub.com/encode/starlette/pull/1675).
- Allow `StaticFiles` to follow symlinks [#1337](https://togithub.com/encode/starlette/pull/1377).
### [`v0.20.1`](https://togithub.com/encode/starlette/releases/tag/0.20.1): Version 0.20.1
[Compare Source](https://togithub.com/encode/starlette/compare/0.20.0...0.20.1)
##### Fixed
- Improve detection of async callables [#1444](https://togithub.com/encode/starlette/pull/1444).
- Send 400 (Bad Request) when `boundary` is missing [#1617](https://togithub.com/encode/starlette/pull/1617).
- Send 400 (Bad Request) when missing "name" field on `Content-Disposition` header [#1643](https://togithub.com/encode/starlette/pull/1643).
- Do not send empty data to `StreamingResponse` on `BaseHTTPMiddleware` [#1609](https://togithub.com/encode/starlette/pull/1609).
- Add `__bool__` dunder for `Secret` [#1625](https://togithub.com/encode/starlette/pull/1625).
### [`v0.20.0`](https://togithub.com/encode/starlette/releases/tag/0.20.0): Version 0.20.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.19.1...0.20.0)
##### Removed
- Drop Python 3.6 support [#1357](https://togithub.com/encode/starlette/pull/1357) and [#1616](https://togithub.com/encode/starlette/pull/1616).
### [`v0.19.1`](https://togithub.com/encode/starlette/releases/tag/0.19.1): Version 0.19.1
[Compare Source](https://togithub.com/encode/starlette/compare/0.19.0...0.19.1)
##### Fixed
- Fix inference of `Route.name` when created from methods [#1553](https://togithub.com/encode/starlette/pull/1553).
- Avoid `TypeError` on `websocket.disconnect` when code is `None` [#1574](https://togithub.com/encode/starlette/pull/1574).
##### Deprecated
- Deprecate `WS_1004_NO_STATUS_RCVD` and `WS_1005_ABNORMAL_CLOSURE` in favor of `WS_1005_NO_STATUS_RCVD` and `WS_1006_ABNORMAL_CLOSURE`, as the previous constants didn't match the [WebSockets specs](https://www.iana.org/assignments/websocket/websocket.xhtml) [#1580](https://togithub.com/encode/starlette/pull/1580).
### [`v0.19.0`](https://togithub.com/encode/starlette/releases/tag/0.19.0): Version 0.19.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.18.0...0.19.0)
##### Added
- Error handler will always run, even if the error happens on a background task [#761](https://togithub.com/encode/starlette/pull/761).
- Add `headers` parameter to `HTTPException` [#1435](https://togithub.com/encode/starlette/pull/1435).
- Internal responses with `405` status code insert an `Allow` header, as described by [RFC 7231](https://datatracker.ietf.org/doc/html/rfc7231#section-6.5.5) [#1436](https://togithub.com/encode/starlette/pull/1436).
- The `content` argument in `JSONResponse` is now required [#1431](https://togithub.com/encode/starlette/pull/1431).
- Add custom URL convertor register [#1437](https://togithub.com/encode/starlette/pull/1437).
- Add content disposition type parameter to `FileResponse` [#1266](https://togithub.com/encode/starlette/pull/1266).
- Add next query param with original request URL in requires decorator [#920](https://togithub.com/encode/starlette/pull/920).
- Add `raw_path` to `TestClient` scope [#1445](https://togithub.com/encode/starlette/pull/1445).
- Add union operators to `MutableHeaders` [#1240](https://togithub.com/encode/starlette/pull/1240).
- Display missing route details on debug page [#1363](https://togithub.com/encode/starlette/pull/1363).
- Change `anyio` required version range to `>=3.4.0,<5.0` [#1421](https://togithub.com/encode/starlette/pull/1421) and [#1460](https://togithub.com/encode/starlette/pull/1460).
- Add `typing-extensions>=3.10` requirement - used only on lower versions than Python 3.10 [#1475](https://togithub.com/encode/starlette/pull/1475).
##### Fixed
- Prevent `BaseHTTPMiddleware` from hiding errors of `StreamingResponse` and mounted applications [#1459](https://togithub.com/encode/starlette/pull/1459).
- `SessionMiddleware` uses an explicit `path=...`, instead of defaulting to the ASGI 'root_path' [#1512](https://togithub.com/encode/starlette/pull/1512).
- `Request.client` is now compliant with the ASGI specifications [#1462](https://togithub.com/encode/starlette/pull/1462).
- Raise `KeyError` at early stage for missing boundary [#1349](https://togithub.com/encode/starlette/pull/1349).
##### Deprecated
- Deprecate WSGIMiddleware in favor of a2wsgi [#1504](https://togithub.com/encode/starlette/pull/1504).
- Deprecate `run_until_first_complete` [#1443](https://togithub.com/encode/starlette/pull/1443).
### [`v0.18.0`](https://togithub.com/encode/starlette/releases/tag/0.18.0): Version 0.18.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.17.1...0.18.0)
##### Added
- Change default chunk size from 4Kb to 64Kb on `FileResponse` [#1345](https://togithub.com/encode/starlette/pull/1345).
- Add support for `functools.partial` in `WebSocketRoute` [#1356](https://togithub.com/encode/starlette/pull/1356).
- Add `StaticFiles` packages with directory [#1350](https://togithub.com/encode/starlette/pull/1350).
- Allow environment options in `Jinja2Templates` [#1401](https://togithub.com/encode/starlette/pull/1401).
- Allow HEAD method on `HttpEndpoint` [#1346](https://togithub.com/encode/starlette/pull/1346).
- Accept additional headers on `websocket.accept` message [#1361](https://togithub.com/encode/starlette/pull/1361) and [#1422](https://togithub.com/encode/starlette/pull/1422).
- Add `reason` to `WebSocket` close ASGI event [#1417](https://togithub.com/encode/starlette/pull/1417).
- Add headers attribute to `UploadFile` [#1382](https://togithub.com/encode/starlette/pull/1382).
- Don't omit `Content-Length` header for `Content-Length: 0` cases [#1395](https://togithub.com/encode/starlette/pull/1395).
- Don't set headers for responses with 1xx, 204 and 304 status code [#1397](https://togithub.com/encode/starlette/pull/1397).
- `SessionMiddleware.max_age` now accepts `None`, so cookie can last as long as the browser session [#1387](https://togithub.com/encode/starlette/pull/1387).
##### Fixed
- Tweak `hashlib.md5()` function on `FileResponse`s ETag generation. The parameter [`usedforsecurity`](https://bugs.python.org/issue9216) flag is set to `False`, if the flag is available on the system. This fixes an error raised on systems with [FIPS](https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/FIPS_Mode\_-\_an_explanation) enabled [#1366](https://togithub.com/encode/starlette/pull/1366) and [#1410](https://togithub.com/encode/starlette/pull/1410).
- Fix `path_params` type on `url_path_for()` method i.e. turn `str` into `Any` [#1341](https://togithub.com/encode/starlette/pull/1341).
- `Host` now ignores `port` on routing [#1322](https://togithub.com/encode/starlette/pull/1322).
### [`v0.17.1`](https://togithub.com/encode/starlette/releases/tag/0.17.1): Version 0.17.1
[Compare Source](https://togithub.com/encode/starlette/compare/0.17.0...0.17.1)
##### Fixed
- Fix `IndexError` in authentication `requires` when wrapped function arguments are distributed between `*args` and `**kwargs` [#1335](https://togithub.com/encode/starlette/pull/1335).
### [`v0.17.0`](https://togithub.com/encode/starlette/releases/tag/0.17.0): Version 0.17.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.16.0...0.17.0)
##### Added
- `Response.delete_cookie` now accepts the same parameters as `Response.set_cookie` [#1228](https://togithub.com/encode/starlette/pull/1228).
- Update the `Jinja2Templates` constructor to allow `PathLike` [#1292](https://togithub.com/encode/starlette/pull/1292).
##### Fixed
- Fix BadSignature exception handling in SessionMiddleware [#1264](https://togithub.com/encode/starlette/pull/1264).
- Change `HTTPConnection.__getitem__` return type from `str` to `typing.Any` [#1118](https://togithub.com/encode/starlette/pull/1118).
- Change `ImmutableMultiDict.getlist` return type from `typing.List[str]` to `typing.List[typing.Any]` [#1235](https://togithub.com/encode/starlette/pull/1235).
- Handle `OSError` exceptions on `StaticFiles` [#1220](https://togithub.com/encode/starlette/pull/1220).
- Fix `StaticFiles` 404.html in HTML mode [#1314](https://togithub.com/encode/starlette/pull/1314).
- Prevent anyio.ExceptionGroup in error views under a BaseHTTPMiddleware [#1262](https://togithub.com/encode/starlette/pull/1262).
##### Removed
- Remove GraphQL support [#1198](https://togithub.com/encode/starlette/pull/1198).
### [`v0.16.0`](https://togithub.com/encode/starlette/releases/tag/0.16.0): Version 0.16.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.15.0...0.16.0)
##### Added
- Added [Encode](https://togithub.com/sponsors/encode) funding option
[#1219](https://togithub.com/encode/starlette/pull/1219)
##### Fixed
- `starlette.websockets.WebSocket` instances are now hashable and compare by identity
[#1039](https://togithub.com/encode/starlette/pull/1039)
- A number of fixes related to running task groups in lifespan
[#1213](https://togithub.com/encode/starlette/pull/1213),
[#1227](https://togithub.com/encode/starlette/pull/1227)
##### Deprecated/removed
- The method `starlette.templates.Jinja2Templates.get_env` was removed
[#1218](https://togithub.com/encode/starlette/pull/1218)
- The ClassVar `starlette.testclient.TestClient.async_backend` was removed,
the backend is now configured using constructor kwargs
[#1211](https://togithub.com/encode/starlette/pull/1211)
- Passing an Async Generator Function or a Generator Function to `starlette.router.Router(lifespan_context=)` is deprecated. You should wrap your lifespan in `@contextlib.asynccontextmanager`.
[#1227](https://togithub.com/encode/starlette/pull/1227)
[#1110](https://togithub.com/encode/starlette/pull/1110)
### [`v0.15.0`](https://togithub.com/encode/starlette/releases/tag/0.15.0): Version 0.15.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.14.2...0.15.0)
#### 0.15.0
This release includes major changes to the low-level asynchronous parts of Starlette. As a result, **Starlette now depends on [AnyIO](https://anyio.readthedocs.io/en/stable/)** and some minor API changes have occurred. Another significant change with this release is the **deprecation of built-in GraphQL support**.
##### Added
- Starlette now supports [Trio](https://trio.readthedocs.io/en/stable/) as an async runtime via AnyIO - [#1157](https://togithub.com/encode/starlette/pull/1157).
- `TestClient.websocket_connect()` now must be used as a context manager.
- Initial support for Python 3.10 - [#1201](https://togithub.com/encode/starlette/pull/1201).
- The compression level used in `GZipMiddleware` is now adjustable - [#1128](https://togithub.com/encode/starlette/pull/1128).
##### Fixed
- Several fixes to `CORSMiddleware`. See [#1111](https://togithub.com/encode/starlette/pull/1111), [#1112](https://togithub.com/encode/starlette/pull/1112), [#1113](https://togithub.com/encode/starlette/pull/1113), [#1199](https://togithub.com/encode/starlette/pull/1199).
- Improved exception messages in the case of duplicated path parameter names - [#1177](https://togithub.com/encode/starlette/pull/1177).
- `RedirectResponse` now uses `quote` instead of `quote_plus` encoding for the `Location` header to better match the behaviour in other frameworks such as Django - [#1164](https://togithub.com/encode/starlette/pull/1164).
- Exception causes are now preserved in more cases - [#1158](https://togithub.com/encode/starlette/pull/1158).
- Session cookies now use the ASGI root path in the case of mounted applications - [#1147](https://togithub.com/encode/starlette/pull/1147).
- Fixed a cache invalidation bug when static files were deleted in certain circumstances - [#1023](https://togithub.com/encode/starlette/pull/1023).
- Improved memory usage of `BaseHTTPMiddleware` when handling large responses - [#1012](https://togithub.com/encode/starlette/issues/1012) fixed via [#1157](https://togithub.com/encode/starlette/issues/1157)
##### Deprecated/removed
- Built-in GraphQL support via the `GraphQLApp` class has been deprecated and will be removed in a future release. Please see [#619](https://togithub.com/encode/starlette/issues/619). GraphQL is not supported on Python 3.10.
- The `executor` parameter to `GraphQLApp` was removed. Use `executor_class` instead.
- The `workers` parameter to `WSGIMiddleware` was removed. This hasn't had any effect since Starlette v0.6.3.
### [`v0.14.2`](https://togithub.com/encode/starlette/releases/tag/0.14.2): Version 0.14.2
[Compare Source](https://togithub.com/encode/starlette/compare/0.14.1...0.14.2)
##### Fixed
- Fixed `ServerErrorMiddleware` compatibility with Python 3.9.1/3.8.7 when debug mode is enabled - [#1132](https://togithub.com/encode/starlette/pull/1132).
- Fixed unclosed socket `ResourceWarning`s when using the `TestClient` with WebSocket endpoints - [#1132](https://togithub.com/encode/starlette/issues/1132).
- Improved detection of `async` endpoints wrapped in `functools.partial` on Python 3.8+ - [#1106](https://togithub.com/encode/starlette/pull/1106).
### [`v0.14.1`](https://togithub.com/encode/starlette/releases/tag/0.14.1): Version 0.14.1
[Compare Source](https://togithub.com/encode/starlette/compare/0.14.0...0.14.1)
##### Removed
- `UJSONResponse` was removed (this change was intended to be included in 0.14.0). Please see the [documentation](https://www.starlette.io/responses/#custom-json-serialization) for how to implement responses using custom JSON serialization - [#1074](https://togithub.com/encode/starlette/pull/1047).
### [`v0.14.0`](https://togithub.com/encode/starlette/releases/tag/0.14.0): Version 0.14.0
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.8...0.14.0)
##### Added
- Starlette now officially supports Python3.9.
- In `StreamingResponse`, allow custom async iterator such as objects from classes implementing `__aiter__`.
- Allow usage of `functools.partial` async handlers in Python versions 3.6 and 3.7.
- Add 418 I'm A Teapot status code.
##### Changed
- Create tasks from handler coroutines before sending them to `asyncio.wait`.
- Use `format_exception` instead of `format_tb` in `ServerErrorMiddleware`'s `debug` responses.
- Be more lenient with handler arguments when using the `requires` decorator.
### [`v0.13.8`](https://togithub.com/encode/starlette/releases/tag/0.13.8): Version 0.13.8
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.7...0.13.8)
- Revert `Queue(maxsize=1)` fix for `BaseHTTPMiddleware` middleware classes and streaming responses.
- The `StaticFiles` constructor now allows `pathlib.Path` in addition to strings for its `directory` argument.
### [`v0.13.7`](https://togithub.com/encode/starlette/releases/tag/0.13.7): Version 0.13.7
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.6...0.13.7)
- Fix high memory usage when using BaseHTTPMiddleware middleware classes and streaming responses.
### [`v0.13.6`](https://togithub.com/encode/starlette/releases/tag/0.13.6): Version 0.13.6
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.5...0.13.6)
- Fix 404 errors with `StaticFiles`.
### [`v0.13.5`](https://togithub.com/encode/starlette/releases/tag/0.13.5): Version 0.13.5
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.4...0.13.5)
#### 0.13.5
- Add support for `Starlette(lifespan=...)` functions.
- More robust path-traversal check in StaticFiles app.
- Fix WSGI PATH_INFO encoding.
- RedirectResponse now accepts optional background parameter
- Allow path routes to contain regex meta characters
- Treat ASGI HTTP 'body' as an optional key.
- Don't use thread pooling for writing to in-memory upload files.
### [`v0.13.4`](https://togithub.com/encode/starlette/releases/tag/0.13.4): Version 0.13.4
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.3...0.13.4)
- Add UUID convertor. [#903](https://togithub.com/encode/starlette/issues/903)
- More lenient cookie parsing. [#900](https://togithub.com/encode/starlette/issues/900)
### [`v0.13.3`](https://togithub.com/encode/starlette/compare/0.13.2...0.13.3)
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.2...0.13.3)
### [`v0.13.2`](https://togithub.com/encode/starlette/compare/0.13.1...0.13.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.1...0.13.2)
### [`v0.13.1`](https://togithub.com/encode/starlette/compare/0.13.0...0.13.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.13.0...0.13.1)
### [`v0.13.0`](https://togithub.com/encode/starlette/compare/0.12.13...0.13.0)
[Compare Source](https://togithub.com/encode/starlette/compare/0.12.13...0.13.0)
### [`v0.12.13`](https://togithub.com/encode/starlette/compare/0.12.12...0.12.13)
[Compare Source](https://togithub.com/encode/starlette/compare/0.12.12...0.12.13)
### [`v0.12.12`](https://togithub.com/encode/starlette/compare/0.12.11...0.12.12)
[Compare Source](https://togithub.com/encode/starlette/compare/0.12.11...0.12.12)
### [`v0.12.9`](https://togithub.com/encode/starlette/compare/0.12.8...0.12.9)
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### [`v0.12.8`](https://togithub.com/encode/starlette/compare/0.12.7...0.12.8)
[Compare Source](https://togithub.com/encode/starlette/compare/0.12.7...0.12.8)
### [`v0.12.7`](https://togithub.com/encode/starlette/compare/0.12.6...0.12.7)
[Compare Source](https://togithub.com/encode/starlette/compare/0.12.6...0.12.7)
### [`v0.12.6`](https://togithub.com/encode/starlette/compare/0.12.5...0.12.6)
[Compare Source](https://togithub.com/encode/starlette/compare/0.12.5...0.12.6)
### [`v0.12.5`](https://togithub.com/encode/starlette/compare/0.12.4...0.12.5)
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### [`v0.12.4`](https://togithub.com/encode/starlette/compare/0.12.3...0.12.4)
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### [`v0.12.3`](https://togithub.com/encode/starlette/compare/0.12.2...0.12.3)
[Compare Source](https://togithub.com/encode/starlette/compare/0.12.2...0.12.3)
### [`v0.12.0`](https://togithub.com/encode/starlette/compare/0.11.4...0.12.0)
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### [`v0.11.4`](https://togithub.com/encode/starlette/compare/0.11.3...0.11.4)
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### [`v0.11.3`](https://togithub.com/encode/starlette/compare/0.11.2...0.11.3)
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### [`v0.11.2`](https://togithub.com/encode/starlette/compare/0.11.1...0.11.2)
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### [`v0.10.7`](https://togithub.com/encode/starlette/compare/0.10.6...0.10.7)
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### [`v0.10.4`](https://togithub.com/encode/starlette/compare/0.10.3...0.10.4)
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### [`v0.10.3`](https://togithub.com/encode/starlette/compare/0.10.2...0.10.3)
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### [`v0.10.2`](https://togithub.com/encode/starlette/compare/0.10.1...0.10.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.10.1...0.10.2)
### [`v0.10.1`](https://togithub.com/encode/starlette/compare/0.10.0...0.10.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.10.0...0.10.1)
### [`v0.10.0`](https://togithub.com/encode/starlette/compare/0.9.11...0.10.0)
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### [`v0.9.11`](https://togithub.com/encode/starlette/compare/0.9.10...0.9.11)
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### [`v0.9.10`](https://togithub.com/encode/starlette/compare/0.9.9...0.9.10)
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### [`v0.9.9`](https://togithub.com/encode/starlette/compare/0.9.8...0.9.9)
[Compare Source](https://togithub.com/encode/starlette/compare/0.9.8...0.9.9)
### [`v0.9.8`](https://togithub.com/encode/starlette/compare/0.9.7...0.9.8)
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### [`v0.9.7`](https://togithub.com/encode/starlette/compare/0.9.6...0.9.7)
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### [`v0.9.6`](https://togithub.com/encode/starlette/compare/0.9.5...0.9.6)
[Compare Source](https://togithub.com/encode/starlette/compare/0.9.5...0.9.6)
### [`v0.9.5`](https://togithub.com/encode/starlette/compare/0.9.4...0.9.5)
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### [`v0.9.4`](https://togithub.com/encode/starlette/compare/0.9.3...0.9.4)
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### [`v0.9.3`](https://togithub.com/encode/starlette/compare/0.9.2...0.9.3)
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### [`v0.9.2`](https://togithub.com/encode/starlette/compare/0.9.1...0.9.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.9.1...0.9.2)
### [`v0.9.1`](https://togithub.com/encode/starlette/compare/0.9.0...0.9.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.9.0...0.9.1)
### [`v0.9.0`](https://togithub.com/encode/starlette/compare/0.8.8...0.9.0)
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### [`v0.8.8`](https://togithub.com/encode/starlette/compare/0.8.7...0.8.8)
[Compare Source](https://togithub.com/encode/starlette/compare/0.8.7...0.8.8)
### [`v0.8.7`](https://togithub.com/encode/starlette/compare/0.8.6...0.8.7)
[Compare Source](https://togithub.com/encode/starlette/compare/0.8.6...0.8.7)
### [`v0.8.6`](https://togithub.com/encode/starlette/compare/0.8.5...0.8.6)
[Compare Source](https://togithub.com/encode/starlette/compare/0.8.5...0.8.6)
### [`v0.8.5`](https://togithub.com/encode/starlette/compare/0.8.4...0.8.5)
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### [`v0.8.4`](https://togithub.com/encode/starlette/compare/0.8.3...0.8.4)
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### [`v0.8.3`](https://togithub.com/encode/starlette/compare/0.8.2...0.8.3)
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### [`v0.8.2`](https://togithub.com/encode/starlette/compare/0.8.1...0.8.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.8.1...0.8.2)
### [`v0.8.1`](https://togithub.com/encode/starlette/compare/0.8.0...0.8.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.8.0...0.8.1)
### [`v0.8.0`](https://togithub.com/encode/starlette/compare/0.7.4...0.8.0)
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### [`v0.7.4`](https://togithub.com/encode/starlette/compare/0.7.3...0.7.4)
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### [`v0.7.3`](https://togithub.com/encode/starlette/compare/0.7.2...0.7.3)
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### [`v0.7.2`](https://togithub.com/encode/starlette/compare/0.7.1...0.7.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.7.1...0.7.2)
### [`v0.7.1`](https://togithub.com/encode/starlette/compare/0.7.0...0.7.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.7.0...0.7.1)
### [`v0.7.0`](https://togithub.com/encode/starlette/compare/0.6.3...0.7.0)
[Compare Source](https://togithub.com/encode/starlette/compare/0.6.3...0.7.0)
### [`v0.6.3`](https://togithub.com/encode/starlette/compare/0.6.2...0.6.3)
[Compare Source](https://togithub.com/encode/starlette/compare/0.6.2...0.6.3)
### [`v0.6.2`](https://togithub.com/encode/starlette/compare/0.6.1...0.6.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.6.1...0.6.2)
### [`v0.6.1`](https://togithub.com/encode/starlette/compare/0.6.0...0.6.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.6.0...0.6.1)
### [`v0.6.0`](https://togithub.com/encode/starlette/compare/0.5.5...0.6.0)
[Compare Source](https://togithub.com/encode/starlette/compare/0.5.5...0.6.0)
### [`v0.5.5`](https://togithub.com/encode/starlette/compare/0.5.4...0.5.5)
[Compare Source](https://togithub.com/encode/starlette/compare/0.5.4...0.5.5)
### [`v0.5.4`](https://togithub.com/encode/starlette/compare/0.5.3...0.5.4)
[Compare Source](https://togithub.com/encode/starlette/compare/0.5.3...0.5.4)
### [`v0.5.3`](https://togithub.com/encode/starlette/compare/0.5.2...0.5.3)
[Compare Source](https://togithub.com/encode/starlette/compare/0.5.2...0.5.3)
### [`v0.5.2`](https://togithub.com/encode/starlette/compare/0.5.1...0.5.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.5.1...0.5.2)
### [`v0.5.1`](https://togithub.com/encode/starlette/compare/0.5.0...0.5.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.5.0...0.5.1)
### [`v0.5.0`](https://togithub.com/encode/starlette/compare/0.4.2...0.5.0)
[Compare Source](https://togithub.com/encode/starlette/compare/0.4.2...0.5.0)
### [`v0.4.2`](https://togithub.com/encode/starlette/compare/0.4.1...0.4.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.4.1...0.4.2)
### [`v0.4.1`](https://togithub.com/encode/starlette/compare/0.4.0...0.4.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.4.0...0.4.1)
### [`v0.4.0`](https://togithub.com/encode/starlette/compare/0.3.7...0.4.0)
[Compare Source](https://togithub.com/encode/starlette/compare/0.3.7...0.4.0)
### [`v0.3.7`](https://togithub.com/encode/starlette/compare/0.3.6...0.3.7)
[Compare Source](https://togithub.com/encode/starlette/compare/0.3.6...0.3.7)
### [`v0.3.6`](https://togithub.com/encode/starlette/compare/0.3.5...0.3.6)
[Compare Source](https://togithub.com/encode/starlette/compare/0.3.5...0.3.6)
### [`v0.3.5`](https://togithub.com/encode/starlette/compare/0.3.4...0.3.5)
[Compare Source](https://togithub.com/encode/starlette/compare/0.3.4...0.3.5)
### [`v0.3.4`](https://togithub.com/encode/starlette/compare/0.3.3...0.3.4)
[Compare Source](https://togithub.com/encode/starlette/compare/0.3.3...0.3.4)
### [`v0.3.3`](https://togithub.com/encode/starlette/compare/0.3.2...0.3.3)
[Compare Source](https://togithub.com/encode/starlette/compare/0.3.2...0.3.3)
### [`v0.3.2`](https://togithub.com/encode/starlette/compare/0.3.1...0.3.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.3.1...0.3.2)
### [`v0.3.1`](https://togithub.com/encode/starlette/compare/0.3.0...0.3.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.3.0...0.3.1)
### [`v0.3.0`](https://togithub.com/encode/starlette/compare/0.2.3...0.3.0)
[Compare Source](https://togithub.com/encode/starlette/compare/0.2.3...0.3.0)
### [`v0.2.3`](https://togithub.com/encode/starlette/compare/0.2.2...0.2.3)
[Compare Source](https://togithub.com/encode/starlette/compare/0.2.2...0.2.3)
### [`v0.2.2`](https://togithub.com/encode/starlette/compare/0.2.1...0.2.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.2.1...0.2.2)
### [`v0.2.1`](https://togithub.com/encode/starlette/compare/0.2.0...0.2.1)
[Compare Source](https://togithub.com/encode/starlette/compare/0.2.0...0.2.1)
### [`v0.2.0`](https://togithub.com/encode/starlette/compare/0.1.17...0.2.0)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.17...0.2.0)
### [`v0.1.17`](https://togithub.com/encode/starlette/compare/0.1.16...0.1.17)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.16...0.1.17)
### [`v0.1.16`](https://togithub.com/encode/starlette/compare/0.1.15...0.1.16)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.15...0.1.16)
### [`v0.1.15`](https://togithub.com/encode/starlette/compare/0.1.14...0.1.15)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.14...0.1.15)
### [`v0.1.14`](https://togithub.com/encode/starlette/compare/0.1.13...0.1.14)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.13...0.1.14)
### [`v0.1.13`](https://togithub.com/encode/starlette/compare/0.1.12...0.1.13)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.12...0.1.13)
### [`v0.1.12`](https://togithub.com/encode/starlette/compare/0.1.11...0.1.12)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.11...0.1.12)
### [`v0.1.11`](https://togithub.com/encode/starlette/compare/0.1.10...0.1.11)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.10...0.1.11)
### [`v0.1.10`](https://togithub.com/encode/starlette/compare/0.1.9...0.1.10)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.9...0.1.10)
### [`v0.1.9`](https://togithub.com/encode/starlette/compare/0.1.8...0.1.9)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.8...0.1.9)
### [`v0.1.8`](https://togithub.com/encode/starlette/compare/0.1.7...0.1.8)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.7...0.1.8)
### [`v0.1.7`](https://togithub.com/encode/starlette/compare/0.1.6...0.1.7)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.6...0.1.7)
### [`v0.1.6`](https://togithub.com/encode/starlette/compare/0.1.5...0.1.6)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.5...0.1.6)
### [`v0.1.5`](https://togithub.com/encode/starlette/compare/0.1.4...0.1.5)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.4...0.1.5)
### [`v0.1.4`](https://togithub.com/encode/starlette/compare/0.1.3...0.1.4)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.3...0.1.4)
### [`v0.1.3`](https://togithub.com/encode/starlette/compare/0.1.2...0.1.3)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.2...0.1.3)
### [`v0.1.2`](https://togithub.com/encode/starlette/compare/0.1.1...0.1.2)
[Compare Source](https://togithub.com/encode/starlette/compare/0.1.1...0.1.2)
### [`v0.1.1`](https://togithub.com/encode/starlette/compare/0.1.0...0.1.1)
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Configuration
📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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This PR has been generated by Mend Renovate. View repository job log here.
This PR contains the following updates:
<=0.22.0
-><=0.25.0
GitHub Vulnerability Alerts
GHSA-74m5-2c7w-9w3x
Impact
The
MultipartParser
using the packagepython-multipart
accepts an unlimited number of multipart parts (form fields or files).Processing too many parts results in high CPU usage and high memory usage, eventually leading to an OOM process kill.
This can be triggered by sending too many small form fields with no content, or too many empty files.
For this to take effect application code has to:
python-multipart
installed andrequest.form()
UploadFile
parameters, which in turn callsrequest.form()
.Patches
The vulnerability is solved in Starlette 0.25.0 by making the maximum fields and files customizable and with a sensible default (1000).
Applications will be secure by just upgrading their Starlette version to 0.25.0 (or FastAPI to 0.92.0).
If application code needs to customize the new max field and file number, there are new
request.form()
parameters (with the default values):max_files=1000
max_fields=1000
Workarounds
Applications that don't install
python-multipart
or that don't use form fields are safe.In older versions, it's also possible to instead of calling
request.form()
callrequest.stream()
and parse the form data in internal code.In most cases, the best solution is to upgrade the Starlette version.
References
This was reported in private by @das7pad via internal email. He also coordinated the fix across multiple frameworks and parsers.
The details about how
multipart/form-data
is structured and parsed are in the RFC 7578.Release Notes
encode/starlette
### [`v0.25.0`](https://togithub.com/encode/starlette/releases/tag/0.25.0): Version 0.25.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.24.0...0.25.0) ##### Fixed - Limit the number of fields and files when parsing `multipart/form-data` on the `MultipartParser` [8c74c2c](https://togithub.com/encode/starlette/commit/8c74c2c8dba7030154f8af18e016136bea1938fa) and [#2036](https://togithub.com/encode/starlette/pull/2036). ### [`v0.24.0`](https://togithub.com/encode/starlette/releases/tag/0.24.0): Version 0.24.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.23.1...0.24.0) ##### Added - Allow `StaticFiles` to follow symlinks [#1683](https://togithub.com/encode/starlette/pull/1683). - Allow `Request.form()` as a context manager [#1903](https://togithub.com/encode/starlette/pull/1903). - Add `size` attribute to `UploadFile` [#1405](https://togithub.com/encode/starlette/pull/1405). - Add `env_prefix` argument to `Config` [#1990](https://togithub.com/encode/starlette/pull/1990). - Add template context processors [#1904](https://togithub.com/encode/starlette/pull/1904). - Support `str` and `datetime` on `expires` parameter on the `Response.set_cookie` method [#1908](https://togithub.com/encode/starlette/pull/1908). ##### Changed - Lazily build the middleware stack [#2017](https://togithub.com/encode/starlette/pull/2017). - Make the `file` argument required on `UploadFile` [#1413](https://togithub.com/encode/starlette/pull/1413). - Use debug extension instead of custom response template extension [#1991](https://togithub.com/encode/starlette/pull/1991). ##### Fixed - Fix url parsing of ipv6 urls on `URL.replace` [#1965](https://togithub.com/encode/starlette/pull/1965). ### [`v0.23.1`](https://togithub.com/encode/starlette/releases/tag/0.23.1): Version 0.23.1 [Compare Source](https://togithub.com/encode/starlette/compare/0.23.0...0.23.1) ##### Fixed - Only stop receiving stream on `body_stream` if body is empty on the `BaseHTTPMiddleware` [#1940](https://togithub.com/encode/starlette/pull/1940). ### [`v0.23.0`](https://togithub.com/encode/starlette/releases/tag/0.23.0): Version 0.23.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.22.0...0.23.0) ##### Added - Add `headers` parameter to the `TestClient` [#1966](https://togithub.com/encode/starlette/pull/1966). ##### Deprecated - Deprecate `Starlette` and `Router` decorators [#1897](https://togithub.com/encode/starlette/pull/1897). ##### Fixed - Fix bug on `FloatConvertor` regex [#1973](https://togithub.com/encode/starlette/pull/1973). ### [`v0.22.0`](https://togithub.com/encode/starlette/releases/tag/0.22.0): Version 0.22.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.21.0...0.22.0) ##### Changed - Bypass `GZipMiddleware` when response includes `Content-Encoding` [#1901](https://togithub.com/encode/starlette/pull/1901). ##### Fixed - Remove unneeded `unquote()` from query parameters on the `TestClient` [#1953](https://togithub.com/encode/starlette/pull/1953). - Make sure `MutableHeaders._list` is actually a `list` [#1917](https://togithub.com/encode/starlette/pull/1917). - Import compatibility with the next version of `AnyIO` [#1936](https://togithub.com/encode/starlette/pull/1936). ### [`v0.21.0`](https://togithub.com/encode/starlette/releases/tag/0.21.0): Version 0.21.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.20.4...0.21.0) This release replaces the underlying HTTP client used on the `TestClient` (`requests` :arrow_right: `httpx`), and as those clients [differ *a bit* on their API](https://www.python-httpx.org/compatibility/), your test suite will likely break. To make the migration smoother, you can use the [`bump-testclient`](https://togithub.com/Kludex/bump-testclient) tool. ##### Changed - Replace `requests` with `httpx` in `TestClient` [#1376](https://togithub.com/encode/starlette/pull/1376). ##### Added - Add `WebSocketException` and support for WebSocket exception handlers [#1263](https://togithub.com/encode/starlette/pull/1263). - Add `middleware` parameter to `Mount` class [#1649](https://togithub.com/encode/starlette/pull/1649). - Officially support Python 3.11 [#1863](https://togithub.com/encode/starlette/pull/1863). - Implement `__repr__` for route classes [#1864](https://togithub.com/encode/starlette/pull/1864). ##### Fixed - Fix bug on which `BackgroundTasks` were cancelled when using `BaseHTTPMiddleware` and client disconnected [#1715](https://togithub.com/encode/starlette/pull/1715). ### [`v0.20.4`](https://togithub.com/encode/starlette/releases/tag/0.20.4): Version 0.20.4 [Compare Source](https://togithub.com/encode/starlette/compare/0.20.3...0.20.4) ##### Fixed - Remove converter from path when generating OpenAPI schema [#1648](https://togithub.com/encode/starlette/pull/1648). ### [`v0.20.3`](https://togithub.com/encode/starlette/releases/tag/0.20.3): Version 0.20.3 [Compare Source](https://togithub.com/encode/starlette/compare/0.20.2...0.20.3) ##### Fixed - Revert "Allow `StaticFiles` to follow symlinks" [#1681](https://togithub.com/encode/starlette/pull/1681). ### [`v0.20.2`](https://togithub.com/encode/starlette/releases/tag/0.20.2): Version 0.20.2 [Compare Source](https://togithub.com/encode/starlette/compare/0.20.1...0.20.2) ##### Fixed - Fix regression on route paths with colons [#1675](https://togithub.com/encode/starlette/pull/1675). - Allow `StaticFiles` to follow symlinks [#1337](https://togithub.com/encode/starlette/pull/1377). ### [`v0.20.1`](https://togithub.com/encode/starlette/releases/tag/0.20.1): Version 0.20.1 [Compare Source](https://togithub.com/encode/starlette/compare/0.20.0...0.20.1) ##### Fixed - Improve detection of async callables [#1444](https://togithub.com/encode/starlette/pull/1444). - Send 400 (Bad Request) when `boundary` is missing [#1617](https://togithub.com/encode/starlette/pull/1617). - Send 400 (Bad Request) when missing "name" field on `Content-Disposition` header [#1643](https://togithub.com/encode/starlette/pull/1643). - Do not send empty data to `StreamingResponse` on `BaseHTTPMiddleware` [#1609](https://togithub.com/encode/starlette/pull/1609). - Add `__bool__` dunder for `Secret` [#1625](https://togithub.com/encode/starlette/pull/1625). ### [`v0.20.0`](https://togithub.com/encode/starlette/releases/tag/0.20.0): Version 0.20.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.19.1...0.20.0) ##### Removed - Drop Python 3.6 support [#1357](https://togithub.com/encode/starlette/pull/1357) and [#1616](https://togithub.com/encode/starlette/pull/1616). ### [`v0.19.1`](https://togithub.com/encode/starlette/releases/tag/0.19.1): Version 0.19.1 [Compare Source](https://togithub.com/encode/starlette/compare/0.19.0...0.19.1) ##### Fixed - Fix inference of `Route.name` when created from methods [#1553](https://togithub.com/encode/starlette/pull/1553). - Avoid `TypeError` on `websocket.disconnect` when code is `None` [#1574](https://togithub.com/encode/starlette/pull/1574). ##### Deprecated - Deprecate `WS_1004_NO_STATUS_RCVD` and `WS_1005_ABNORMAL_CLOSURE` in favor of `WS_1005_NO_STATUS_RCVD` and `WS_1006_ABNORMAL_CLOSURE`, as the previous constants didn't match the [WebSockets specs](https://www.iana.org/assignments/websocket/websocket.xhtml) [#1580](https://togithub.com/encode/starlette/pull/1580). ### [`v0.19.0`](https://togithub.com/encode/starlette/releases/tag/0.19.0): Version 0.19.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.18.0...0.19.0) ##### Added - Error handler will always run, even if the error happens on a background task [#761](https://togithub.com/encode/starlette/pull/761). - Add `headers` parameter to `HTTPException` [#1435](https://togithub.com/encode/starlette/pull/1435). - Internal responses with `405` status code insert an `Allow` header, as described by [RFC 7231](https://datatracker.ietf.org/doc/html/rfc7231#section-6.5.5) [#1436](https://togithub.com/encode/starlette/pull/1436). - The `content` argument in `JSONResponse` is now required [#1431](https://togithub.com/encode/starlette/pull/1431). - Add custom URL convertor register [#1437](https://togithub.com/encode/starlette/pull/1437). - Add content disposition type parameter to `FileResponse` [#1266](https://togithub.com/encode/starlette/pull/1266). - Add next query param with original request URL in requires decorator [#920](https://togithub.com/encode/starlette/pull/920). - Add `raw_path` to `TestClient` scope [#1445](https://togithub.com/encode/starlette/pull/1445). - Add union operators to `MutableHeaders` [#1240](https://togithub.com/encode/starlette/pull/1240). - Display missing route details on debug page [#1363](https://togithub.com/encode/starlette/pull/1363). - Change `anyio` required version range to `>=3.4.0,<5.0` [#1421](https://togithub.com/encode/starlette/pull/1421) and [#1460](https://togithub.com/encode/starlette/pull/1460). - Add `typing-extensions>=3.10` requirement - used only on lower versions than Python 3.10 [#1475](https://togithub.com/encode/starlette/pull/1475). ##### Fixed - Prevent `BaseHTTPMiddleware` from hiding errors of `StreamingResponse` and mounted applications [#1459](https://togithub.com/encode/starlette/pull/1459). - `SessionMiddleware` uses an explicit `path=...`, instead of defaulting to the ASGI 'root_path' [#1512](https://togithub.com/encode/starlette/pull/1512). - `Request.client` is now compliant with the ASGI specifications [#1462](https://togithub.com/encode/starlette/pull/1462). - Raise `KeyError` at early stage for missing boundary [#1349](https://togithub.com/encode/starlette/pull/1349). ##### Deprecated - Deprecate WSGIMiddleware in favor of a2wsgi [#1504](https://togithub.com/encode/starlette/pull/1504). - Deprecate `run_until_first_complete` [#1443](https://togithub.com/encode/starlette/pull/1443). ### [`v0.18.0`](https://togithub.com/encode/starlette/releases/tag/0.18.0): Version 0.18.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.17.1...0.18.0) ##### Added - Change default chunk size from 4Kb to 64Kb on `FileResponse` [#1345](https://togithub.com/encode/starlette/pull/1345). - Add support for `functools.partial` in `WebSocketRoute` [#1356](https://togithub.com/encode/starlette/pull/1356). - Add `StaticFiles` packages with directory [#1350](https://togithub.com/encode/starlette/pull/1350). - Allow environment options in `Jinja2Templates` [#1401](https://togithub.com/encode/starlette/pull/1401). - Allow HEAD method on `HttpEndpoint` [#1346](https://togithub.com/encode/starlette/pull/1346). - Accept additional headers on `websocket.accept` message [#1361](https://togithub.com/encode/starlette/pull/1361) and [#1422](https://togithub.com/encode/starlette/pull/1422). - Add `reason` to `WebSocket` close ASGI event [#1417](https://togithub.com/encode/starlette/pull/1417). - Add headers attribute to `UploadFile` [#1382](https://togithub.com/encode/starlette/pull/1382). - Don't omit `Content-Length` header for `Content-Length: 0` cases [#1395](https://togithub.com/encode/starlette/pull/1395). - Don't set headers for responses with 1xx, 204 and 304 status code [#1397](https://togithub.com/encode/starlette/pull/1397). - `SessionMiddleware.max_age` now accepts `None`, so cookie can last as long as the browser session [#1387](https://togithub.com/encode/starlette/pull/1387). ##### Fixed - Tweak `hashlib.md5()` function on `FileResponse`s ETag generation. The parameter [`usedforsecurity`](https://bugs.python.org/issue9216) flag is set to `False`, if the flag is available on the system. This fixes an error raised on systems with [FIPS](https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/FIPS_Mode\_-\_an_explanation) enabled [#1366](https://togithub.com/encode/starlette/pull/1366) and [#1410](https://togithub.com/encode/starlette/pull/1410). - Fix `path_params` type on `url_path_for()` method i.e. turn `str` into `Any` [#1341](https://togithub.com/encode/starlette/pull/1341). - `Host` now ignores `port` on routing [#1322](https://togithub.com/encode/starlette/pull/1322). ### [`v0.17.1`](https://togithub.com/encode/starlette/releases/tag/0.17.1): Version 0.17.1 [Compare Source](https://togithub.com/encode/starlette/compare/0.17.0...0.17.1) ##### Fixed - Fix `IndexError` in authentication `requires` when wrapped function arguments are distributed between `*args` and `**kwargs` [#1335](https://togithub.com/encode/starlette/pull/1335). ### [`v0.17.0`](https://togithub.com/encode/starlette/releases/tag/0.17.0): Version 0.17.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.16.0...0.17.0) ##### Added - `Response.delete_cookie` now accepts the same parameters as `Response.set_cookie` [#1228](https://togithub.com/encode/starlette/pull/1228). - Update the `Jinja2Templates` constructor to allow `PathLike` [#1292](https://togithub.com/encode/starlette/pull/1292). ##### Fixed - Fix BadSignature exception handling in SessionMiddleware [#1264](https://togithub.com/encode/starlette/pull/1264). - Change `HTTPConnection.__getitem__` return type from `str` to `typing.Any` [#1118](https://togithub.com/encode/starlette/pull/1118). - Change `ImmutableMultiDict.getlist` return type from `typing.List[str]` to `typing.List[typing.Any]` [#1235](https://togithub.com/encode/starlette/pull/1235). - Handle `OSError` exceptions on `StaticFiles` [#1220](https://togithub.com/encode/starlette/pull/1220). - Fix `StaticFiles` 404.html in HTML mode [#1314](https://togithub.com/encode/starlette/pull/1314). - Prevent anyio.ExceptionGroup in error views under a BaseHTTPMiddleware [#1262](https://togithub.com/encode/starlette/pull/1262). ##### Removed - Remove GraphQL support [#1198](https://togithub.com/encode/starlette/pull/1198). ### [`v0.16.0`](https://togithub.com/encode/starlette/releases/tag/0.16.0): Version 0.16.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.15.0...0.16.0) ##### Added - Added [Encode](https://togithub.com/sponsors/encode) funding option [#1219](https://togithub.com/encode/starlette/pull/1219) ##### Fixed - `starlette.websockets.WebSocket` instances are now hashable and compare by identity [#1039](https://togithub.com/encode/starlette/pull/1039) - A number of fixes related to running task groups in lifespan [#1213](https://togithub.com/encode/starlette/pull/1213), [#1227](https://togithub.com/encode/starlette/pull/1227) ##### Deprecated/removed - The method `starlette.templates.Jinja2Templates.get_env` was removed [#1218](https://togithub.com/encode/starlette/pull/1218) - The ClassVar `starlette.testclient.TestClient.async_backend` was removed, the backend is now configured using constructor kwargs [#1211](https://togithub.com/encode/starlette/pull/1211) - Passing an Async Generator Function or a Generator Function to `starlette.router.Router(lifespan_context=)` is deprecated. You should wrap your lifespan in `@contextlib.asynccontextmanager`. [#1227](https://togithub.com/encode/starlette/pull/1227) [#1110](https://togithub.com/encode/starlette/pull/1110) ### [`v0.15.0`](https://togithub.com/encode/starlette/releases/tag/0.15.0): Version 0.15.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.14.2...0.15.0) #### 0.15.0 This release includes major changes to the low-level asynchronous parts of Starlette. As a result, **Starlette now depends on [AnyIO](https://anyio.readthedocs.io/en/stable/)** and some minor API changes have occurred. Another significant change with this release is the **deprecation of built-in GraphQL support**. ##### Added - Starlette now supports [Trio](https://trio.readthedocs.io/en/stable/) as an async runtime via AnyIO - [#1157](https://togithub.com/encode/starlette/pull/1157). - `TestClient.websocket_connect()` now must be used as a context manager. - Initial support for Python 3.10 - [#1201](https://togithub.com/encode/starlette/pull/1201). - The compression level used in `GZipMiddleware` is now adjustable - [#1128](https://togithub.com/encode/starlette/pull/1128). ##### Fixed - Several fixes to `CORSMiddleware`. See [#1111](https://togithub.com/encode/starlette/pull/1111), [#1112](https://togithub.com/encode/starlette/pull/1112), [#1113](https://togithub.com/encode/starlette/pull/1113), [#1199](https://togithub.com/encode/starlette/pull/1199). - Improved exception messages in the case of duplicated path parameter names - [#1177](https://togithub.com/encode/starlette/pull/1177). - `RedirectResponse` now uses `quote` instead of `quote_plus` encoding for the `Location` header to better match the behaviour in other frameworks such as Django - [#1164](https://togithub.com/encode/starlette/pull/1164). - Exception causes are now preserved in more cases - [#1158](https://togithub.com/encode/starlette/pull/1158). - Session cookies now use the ASGI root path in the case of mounted applications - [#1147](https://togithub.com/encode/starlette/pull/1147). - Fixed a cache invalidation bug when static files were deleted in certain circumstances - [#1023](https://togithub.com/encode/starlette/pull/1023). - Improved memory usage of `BaseHTTPMiddleware` when handling large responses - [#1012](https://togithub.com/encode/starlette/issues/1012) fixed via [#1157](https://togithub.com/encode/starlette/issues/1157) ##### Deprecated/removed - Built-in GraphQL support via the `GraphQLApp` class has been deprecated and will be removed in a future release. Please see [#619](https://togithub.com/encode/starlette/issues/619). GraphQL is not supported on Python 3.10. - The `executor` parameter to `GraphQLApp` was removed. Use `executor_class` instead. - The `workers` parameter to `WSGIMiddleware` was removed. This hasn't had any effect since Starlette v0.6.3. ### [`v0.14.2`](https://togithub.com/encode/starlette/releases/tag/0.14.2): Version 0.14.2 [Compare Source](https://togithub.com/encode/starlette/compare/0.14.1...0.14.2) ##### Fixed - Fixed `ServerErrorMiddleware` compatibility with Python 3.9.1/3.8.7 when debug mode is enabled - [#1132](https://togithub.com/encode/starlette/pull/1132). - Fixed unclosed socket `ResourceWarning`s when using the `TestClient` with WebSocket endpoints - [#1132](https://togithub.com/encode/starlette/issues/1132). - Improved detection of `async` endpoints wrapped in `functools.partial` on Python 3.8+ - [#1106](https://togithub.com/encode/starlette/pull/1106). ### [`v0.14.1`](https://togithub.com/encode/starlette/releases/tag/0.14.1): Version 0.14.1 [Compare Source](https://togithub.com/encode/starlette/compare/0.14.0...0.14.1) ##### Removed - `UJSONResponse` was removed (this change was intended to be included in 0.14.0). Please see the [documentation](https://www.starlette.io/responses/#custom-json-serialization) for how to implement responses using custom JSON serialization - [#1074](https://togithub.com/encode/starlette/pull/1047). ### [`v0.14.0`](https://togithub.com/encode/starlette/releases/tag/0.14.0): Version 0.14.0 [Compare Source](https://togithub.com/encode/starlette/compare/0.13.8...0.14.0) ##### Added - Starlette now officially supports Python3.9. - In `StreamingResponse`, allow custom async iterator such as objects from classes implementing `__aiter__`. - Allow usage of `functools.partial` async handlers in Python versions 3.6 and 3.7. - Add 418 I'm A Teapot status code. ##### Changed - Create tasks from handler coroutines before sending them to `asyncio.wait`. - Use `format_exception` instead of `format_tb` in `ServerErrorMiddleware`'s `debug` responses. - Be more lenient with handler arguments when using the `requires` decorator. ### [`v0.13.8`](https://togithub.com/encode/starlette/releases/tag/0.13.8): Version 0.13.8 [Compare Source](https://togithub.com/encode/starlette/compare/0.13.7...0.13.8) - Revert `Queue(maxsize=1)` fix for `BaseHTTPMiddleware` middleware classes and streaming responses. - The `StaticFiles` constructor now allows `pathlib.Path` in addition to strings for its `directory` argument. ### [`v0.13.7`](https://togithub.com/encode/starlette/releases/tag/0.13.7): Version 0.13.7 [Compare Source](https://togithub.com/encode/starlette/compare/0.13.6...0.13.7) - Fix high memory usage when using BaseHTTPMiddleware middleware classes and streaming responses. ### [`v0.13.6`](https://togithub.com/encode/starlette/releases/tag/0.13.6): Version 0.13.6 [Compare Source](https://togithub.com/encode/starlette/compare/0.13.5...0.13.6) - Fix 404 errors with `StaticFiles`. ### [`v0.13.5`](https://togithub.com/encode/starlette/releases/tag/0.13.5): Version 0.13.5 [Compare Source](https://togithub.com/encode/starlette/compare/0.13.4...0.13.5) #### 0.13.5 - Add support for `Starlette(lifespan=...)` functions. - More robust path-traversal check in StaticFiles app. - Fix WSGI PATH_INFO encoding. - RedirectResponse now accepts optional background parameter - Allow path routes to contain regex meta characters - Treat ASGI HTTP 'body' as an optional key. - Don't use thread pooling for writing to in-memory upload files. ### [`v0.13.4`](https://togithub.com/encode/starlette/releases/tag/0.13.4): Version 0.13.4 [Compare Source](https://togithub.com/encode/starlette/compare/0.13.3...0.13.4) - Add UUID convertor. [#903](https://togithub.com/encode/starlette/issues/903) - More lenient cookie parsing. [#900](https://togithub.com/encode/starlette/issues/900) ### [`v0.13.3`](https://togithub.com/encode/starlette/compare/0.13.2...0.13.3) [Compare Source](https://togithub.com/encode/starlette/compare/0.13.2...0.13.3) ### [`v0.13.2`](https://togithub.com/encode/starlette/compare/0.13.1...0.13.2) [Compare Source](https://togithub.com/encode/starlette/compare/0.13.1...0.13.2) ### [`v0.13.1`](https://togithub.com/encode/starlette/compare/0.13.0...0.13.1) [Compare Source](https://togithub.com/encode/starlette/compare/0.13.0...0.13.1) ### [`v0.13.0`](https://togithub.com/encode/starlette/compare/0.12.13...0.13.0) [Compare Source](https://togithub.com/encode/starlette/compare/0.12.13...0.13.0) ### [`v0.12.13`](https://togithub.com/encode/starlette/compare/0.12.12...0.12.13) [Compare Source](https://togithub.com/encode/starlette/compare/0.12.12...0.12.13) ### [`v0.12.12`](https://togithub.com/encode/starlette/compare/0.12.11...0.12.12) [Compare Source](https://togithub.com/encode/starlette/compare/0.12.11...0.12.12) ### [`v0.12.9`](https://togithub.com/encode/starlette/compare/0.12.8...0.12.9) [Compare Source](https://togithub.com/encode/starlette/compare/0.12.8...0.12.9) ### [`v0.12.8`](https://togithub.com/encode/starlette/compare/0.12.7...0.12.8) [Compare Source](https://togithub.com/encode/starlette/compare/0.12.7...0.12.8) ### [`v0.12.7`](https://togithub.com/encode/starlette/compare/0.12.6...0.12.7) [Compare Source](https://togithub.com/encode/starlette/compare/0.12.6...0.12.7) ### [`v0.12.6`](https://togithub.com/encode/starlette/compare/0.12.5...0.12.6) [Compare Source](https://togithub.com/encode/starlette/compare/0.12.5...0.12.6) ### [`v0.12.5`](https://togithub.com/encode/starlette/compare/0.12.4...0.12.5) [Compare Source](https://togithub.com/encode/starlette/compare/0.12.4...0.12.5) ### [`v0.12.4`](https://togithub.com/encode/starlette/compare/0.12.3...0.12.4) [Compare 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### [`v0.9.4`](https://togithub.com/encode/starlette/compare/0.9.3...0.9.4) [Compare Source](https://togithub.com/encode/starlette/compare/0.9.3...0.9.4) ### [`v0.9.3`](https://togithub.com/encode/starlette/compare/0.9.2...0.9.3) [Compare Source](https://togithub.com/encode/starlette/compare/0.9.2...0.9.3) ### [`v0.9.2`](https://togithub.com/encode/starlette/compare/0.9.1...0.9.2) [Compare Source](https://togithub.com/encode/starlette/compare/0.9.1...0.9.2) ### [`v0.9.1`](https://togithub.com/encode/starlette/compare/0.9.0...0.9.1) [Compare Source](https://togithub.com/encode/starlette/compare/0.9.0...0.9.1) ### [`v0.9.0`](https://togithub.com/encode/starlette/compare/0.8.8...0.9.0) [Compare Source](https://togithub.com/encode/starlette/compare/0.8.8...0.9.0) ### [`v0.8.8`](https://togithub.com/encode/starlette/compare/0.8.7...0.8.8) [Compare Source](https://togithub.com/encode/starlette/compare/0.8.7...0.8.8) ### [`v0.8.7`](https://togithub.com/encode/starlette/compare/0.8.6...0.8.7) [Compare Source](https://togithub.com/encode/starlette/compare/0.8.6...0.8.7) ### [`v0.8.6`](https://togithub.com/encode/starlette/compare/0.8.5...0.8.6) [Compare Source](https://togithub.com/encode/starlette/compare/0.8.5...0.8.6) ### [`v0.8.5`](https://togithub.com/encode/starlette/compare/0.8.4...0.8.5) [Compare Source](https://togithub.com/encode/starlette/compare/0.8.4...0.8.5) ### [`v0.8.4`](https://togithub.com/encode/starlette/compare/0.8.3...0.8.4) [Compare Source](https://togithub.com/encode/starlette/compare/0.8.3...0.8.4) ### [`v0.8.3`](https://togithub.com/encode/starlette/compare/0.8.2...0.8.3) [Compare Source](https://togithub.com/encode/starlette/compare/0.8.2...0.8.3) ### [`v0.8.2`](https://togithub.com/encode/starlette/compare/0.8.1...0.8.2) [Compare Source](https://togithub.com/encode/starlette/compare/0.8.1...0.8.2) ### [`v0.8.1`](https://togithub.com/encode/starlette/compare/0.8.0...0.8.1) [Compare 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