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GeezerVison is showing github.com — [3.13] gh-144872: fix heap buffer overflow `_PyTokenizer_ensure_utf8` (GH-144807) by StanFromIreland · Pull Request #145441 · python/cpython

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@StanFromIreland

@StanFromIreland StanFromIreland commented Mar 2, 2026 •
edited by bedevere-app Bot
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(cherry picked from commit 3fc945d)

  • Issue: Heap buffer overflow in _PyTokenizer_ensure_utf8 #144872

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@AdamKorcz @StanFromIreland
[3.13] pythongh-144872: fix heap buffer overflow `_PyTokenizer_ensure…
7665cee 
…_utf8` (pythonGH-144807)

(cherry picked from commit 3fc945d)

Co-authored-by: AdamKorcz <[email protected]>
@StanFromIreland
StanFromIreland requested review from lysnikolaou and pablogsal as code owners March 2, 2026 19:52
This was referenced Mar 2, 2026
Heap buffer overflow in _PyTokenizer_ensure_utf8 #144872
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gh-144872: fix heap buffer overflow _PyTokenizer_ensure_utf8 #144807
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@bedevere-app bedevere-app Bot added the awaiting review label Mar 2, 2026
StanFromIreland
StanFromIreland commented Mar 2, 2026
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Comment thread Lib/test/test_source_encoding.py
with self.subTest(seq=seq):
self.assertRaises(SyntaxError, compile, seq, '<test>', 'exec')

@requires_subprocess()

@StanFromIreland StanFromIreland Mar 2, 2026

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FYI: this line caused the conflict.

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@pablogsal pablogsal Mar 2, 2026

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damn

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@pablogsal
pablogsal merged commit 5577bd1 into python:3.13 Mar 2, 2026
76 of 78 checks passed

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@bedevere-app bedevere-app Bot removed the awaiting review label Mar 2, 2026
@StanFromIreland
StanFromIreland deleted the backport-3fc945d-3.13 branch March 2, 2026 23:01
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@pablogsal pablogsal Awaiting requested review from pablogsal pablogsal is a code owner
@lysnikolaou lysnikolaou Awaiting requested review from lysnikolaou lysnikolaou is a code owner

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3 participants

@StanFromIreland @pablogsal @AdamKorcz
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