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[3.12] gh-148395: Fix a possible UAF in {LZMA,BZ2,_Zlib}Decompressor (GH-148396)#148503

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[3.12] gh-148395: Fix a possible UAF in {LZMA,BZ2,_Zlib}Decompressor (GH-148396)#148503
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@miss-islington

@miss-islington miss-islington commented Apr 13, 2026

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Fix dangling input pointer after MemoryError in _lzma/_bz2/_ZlibDecompressor.decompress
(cherry picked from commit 8fc66ae)

Co-authored-by: Stan Ulbrych stan@python.org

…pythonGH-148396)

Fix dangling input pointer after `MemoryError` in _lzma/_bz2/_ZlibDecompressor.decompress
(cherry picked from commit 8fc66ae)

Co-authored-by: Stan Ulbrych <stan@python.org>
@StanFromIreland

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Damn, too many tabs and I edited the wrong backport :-/

Comment thread Misc/NEWS.d/next/Security/2026-04-10-16-28-21.gh-issue-148395.kfzm0G.rst Outdated
jef-n added a commit to jef-n/OSGeo4W that referenced this pull request Apr 16, 2026
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@github-actions github-actions Bot added the stale Stale PR or inactive for long period of time. label May 18, 2026
@StanFromIreland StanFromIreland removed the stale Stale PR or inactive for long period of time. label May 18, 2026
@martinmarques

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@StanFromIreland is the review still ongoing, or is this PR stalled?

@StanFromIreland

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This will be merged before the next release.

@gonzalemario

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It's interesting that from at least out of 5 different branches (3.10 to 3.14), all the PRs have been merged already but 3.12. At least that's what I got from #148395

If I may, do you know why?

@StanFromIreland

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They have different release managers, and it's up to their discretion.

@martinmarques

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This will be merged before the next release.

Is there a date for this? I was under the impression that once the major version goes into security support, releases happen at the discretion of the manager. But here it looks like there is some timeline for the next release.

BTW, I appreciate your prompt response

@StanFromIreland

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There's no timeline.

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5 participants