A Python tool to enforce dependencies, using modular architecture 🌎 Open source 🐍 Installable via pip 🔧 Able to be adopted incrementally - ⚡ Implemented with no runtime impact ♾️ Interoperable with your existing systems 🦀 Written in rust
This release is a security fix for PyO3 0.22.0 through 0.22.3.
The PyWeakrefMethods trait functions for reading borrowed values from Python weak references have been identified as unsound, because they did not account for the possibility the last strong reference could be cleared at any time, leading the borrowed value to be dangling and risk of use-after-free.
PyO3 0.22.4 protects against this issue by making these methods permanently leak strong references. The methods are also marked deprecated and will be removed in PyO3 0.23. Users should switch to use the use PyWeakrefMethods functions which return owned references (the deprecation messages indicate the appropriate upgrade paths).
These functions were added in PyO3 0.22.0; all versions from 0.22.0 through 0.22.3 have been yanked.
Aside from the security fix, PyO3 0.22.4 contains a number of other bugfixes, including:
A fix for cases where __traverse__ functions of base types were not called when using #[pyclass(extends = ...)]
A fix for a regression in 0.22.3 where PyO3 generated code would trigger compile failures with crates using #![forbid(unsafe_code)]
Thank you to the following contributors for the improvements:
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Bumps pyo3 from 0.22.3 to 0.22.4.
Release notes
Sourced from pyo3's releases.
Changelog
Sourced from pyo3's changelog.
Commits
dff9723
release: 0.22.43330bf2
fix garbage collection in inheritance cases (#4563)8b23397
ci: pypy 3.7 macos on x64 stillce63713
ci: run benchmarks on ubuntu 22.04 (#4609)b1173f5
ci: fix more ubuntu-24.04 failures (#4610)7371028
ci: move more jobs to macOS arm (#4600)8e3dc45
avoid callingPyType_GetSlot
on static types before Python 3.10 (#4599)969300d
leak references for safety inPyWeakRefMethods::upgrade_borrowed
(#4590)d01fbab
fix case of gil-refs feature breakingcreate_exception!
macro (#4589)9a641f7
fix unintentionalunsafe_code
trigger (#4574)Dependabot 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
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