- In Waitress version 1.4.2 a new regular expression was added to validate the
headers that Waitress receives to make sure that it matches RFC7230.
Unfortunately the regular expression was written in a way that with invalid
input it leads to catastrophic backtracking which allows for a Denial of
Service and CPU usage going to a 100%.
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Bumps waitress from 1.4.2 to 1.4.3.
Changelog
Sourced from waitress's changelog.
Commits
cbc89bf
Prep v1.4.36e46f9e
Merge pull request from GHSA-73m2-3pwg-5fgc51b9bd4
Remove accidental backslashf87abb7
Add bad header that caused catastrophic backtracking2fe8e54
Add header parsing tests with short headersac0ca05
Remove catastrophic backtracking in regexDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
.Dependabot commands and options
You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) - `@dependabot use these labels` will set the current labels as the default for future PRs for this repo and language - `@dependabot use these reviewers` will set the current reviewers as the default for future PRs for this repo and language - `@dependabot use these assignees` will set the current assignees as the default for future PRs for this repo and language - `@dependabot use this milestone` will set the current milestone as the default for future PRs for this repo and language You can disable automated security fix PRs for this repo from the [Security Alerts page](https://github.com/ceumicrodata/respect-trade-similarity/network/alerts).