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GeezerVison is showing github.com — [3.11] gh-149018: Use `XML_SetHashSalt16Bytes` in `pyexpat`/`_elementtree` when possible (GH-149023) (GH-155345) by StanFromIreland · Pull Request #155610 · python/cpython

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@StanFromIreland

@StanFromIreland StanFromIreland commented Aug 12, 2026 •
edited by bedevere-app Bot
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(cherry picked from commit 24b8f12)

  • Issue: [CVE-2026-7210] Insufficient entropy in pyexpat with protection against hash flooding #149018

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@StanFromIreland
[3.11] pythongh-149018: Use XML_SetHashSalt16Bytes in pyexpat/`_e…
95cf26d 
…lementtree` when possible (pythonGH-149023) (pythonGH-155345)

(cherry picked from commit e37df2a)

Co-authored-by: Stan Ulbrych <[email protected]>
(cherry picked from commit fc9b11f)
(cherry picked from commit 24b8f12)
@StanFromIreland StanFromIreland assigned pablogsal Aug 12, 2026
@StanFromIreland
StanFromIreland requested a review from tiran as a code owner August 12, 2026 11:03
This was referenced Aug 12, 2026
[CVE-2026-7210] Insufficient entropy in pyexpat with protection against hash flooding #149018
Closed
[3.12] gh-149018: Use XML_SetHashSalt16Bytes in pyexpat/_elementtree when possible (GH-149023) #155345
Merged
@bedevere-app bedevere-app Bot added the awaiting core review label Aug 12, 2026
StanFromIreland
StanFromIreland commented Aug 12, 2026
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Comment thread Modules/pyexpat.c Resolved

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Comment thread Modules/pyexpat.c Resolved

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@StanFromIreland
Apply suggestions from code review
79020f2 
Co-authored-by: Stan Ulbrych <[email protected]>
@pablogsal
pablogsal merged commit cbaecf9 into python:3.11 Aug 12, 2026
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@bedevere-app bedevere-app Bot removed the awaiting core review label Aug 12, 2026
@StanFromIreland
StanFromIreland deleted the backport-e37df2a-3.11 branch August 13, 2026 09:14
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@tiran tiran Awaiting requested review from tiran

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@pablogsal pablogsal

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@StanFromIreland @pablogsal
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