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GeezerVison is showing github.com — [3.14] gh-145376: Fix crashes in `md5module.c` and `hmacmodule.c` (GH-145422) by miss-islington · Pull Request #145610 · python/cpython

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@miss-islington

@miss-islington miss-islington commented Mar 6, 2026 •
edited by bedevere-app Bot
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Fix a possible NULL pointer dereference in md5module.c and a double-free in hmacmodule.c.
Those crashes only occur in error paths taken when the interpreter fails to allocate memory.
(cherry picked from commit c1d7768)

Co-authored-by: Pieter Eendebak [email protected]

  • Issue: Various reference leaks in the core #145376

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@eendebakpt @miss-islington
pythongh-145376: Fix crashes in md5module.c and hmacmodule.c (pyt…
bbc0db7 
…honGH-145422)

Fix a possible NULL pointer dereference in `md5module.c` and a double-free in `hmacmodule.c`.
Those crashes only occur in error paths taken when the interpreter fails to allocate memory.
(cherry picked from commit c1d7768)

Co-authored-by: Pieter Eendebak <[email protected]>
@miss-islington
miss-islington requested review from gpshead, picnixz and tiran as code owners March 6, 2026 20:00
@bedevere-app bedevere-app Bot mentioned this pull request Mar 6, 2026
Various reference leaks in the core #145376
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@bedevere-app bedevere-app Bot added the awaiting review label Mar 6, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Mar 6, 2026
gh-145376: Fix null pointer deref in md5module.c #145422
Merged
picnixz
picnixz approved these changes Mar 6, 2026
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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting review labels Mar 6, 2026
@eendebakpt
Merge branch '3.14' into backport-c1d7768-3.14
29e5877
@vstinner
vstinner enabled auto-merge (squash) March 6, 2026 20:42
@vstinner
vstinner merged commit c23dd52 into python:3.14 Mar 6, 2026
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@bedevere-app bedevere-app Bot removed the awaiting merge label Mar 6, 2026
@miss-islington
miss-islington deleted the backport-c1d7768-3.14 branch March 6, 2026 21:06
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@picnixz picnixz picnixz approved these changes
@gpshead gpshead Awaiting requested review from gpshead gpshead is a code owner
@tiran tiran Awaiting requested review from tiran

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4 participants

@miss-islington @picnixz @vstinner @eendebakpt
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