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GeezerVison is showing github.com — [3.13] gh-135034: Normalize link targets in tarfile, add `os.path.realpath(strict='allow_missing')` (GH-135037) by Yhg1s · Pull Request #135064 · python/cpython

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@Yhg1s

@Yhg1s Yhg1s commented Jun 3, 2025 •
edited by github-actions Bot
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Addresses CVEs 2024-12718, 2025-4138, 2025-4330, and 2025-4517.
(cherry picked from commit 3612d8f)

Co-authored-by: Łukasz Langa [email protected]
Co-authored-by: Petr Viktorin [email protected]
Co-authored-by: Seth Michael Larson [email protected]
Co-authored-by: Adam Turner [email protected]
Co-authored-by: Serhiy Storchaka [email protected]

  • Issue: Multiple tarfile extraction filter bypasses (filter="tar"/filter="data") #135034

📚 Documentation preview 📚: https://cpython-previews--135064.org.readthedocs.build/

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@ambv @encukou
@sethmlarson @AA-Turner @serhiy-storchaka @Yhg1s
[3.13] pythongh-135034: Normalize link targets in tarfile, add `os.pa…
2637f45 
…th.realpath(strict='allow_missing')` (pythonGH-135037)

Addresses CVEs 2024-12718, 2025-4138, 2025-4330, and 2025-4517.
(cherry picked from commit 3612d8f)

Co-authored-by: Łukasz Langa <[email protected]>
Signed-off-by: Łukasz Langa <[email protected]>
Co-authored-by: Petr Viktorin <[email protected]>
Co-authored-by: Seth Michael Larson <[email protected]>
Co-authored-by: Adam Turner <[email protected]>
Co-authored-by: Serhiy Storchaka <[email protected]>
@Yhg1s
Yhg1s requested review from ambv and encukou June 3, 2025 10:59
@Yhg1s
Yhg1s requested a review from ethanfurman as a code owner June 3, 2025 10:59
@bedevere-app bedevere-app Bot added the awaiting core review label Jun 3, 2025
This was referenced Jun 3, 2025
gh-135034: Normalize link targets in tarfile, add os.path.realpath(strict='allow_missing') #135037
Merged
Multiple tarfile extraction filter bypasses (filter="tar"/filter="data") #135034
Closed
@Yhg1s
Fix test_tarfile.
4df4d21
@ambv
ambv merged commit aa9eb5f into python:3.13 Jun 3, 2025
@bedevere-app bedevere-app Bot removed the awaiting core review label Jun 3, 2025
@juergbi juergbi mentioned this pull request Jul 9, 2025
test_out_of_basedir_hardlinks test fails on Python 3.13.x apache/buildstream#2029
Closed
@emmatyping emmatyping mentioned this pull request Oct 21, 2025
Error installing tar.gz with python 3.13.4-3.14.0(with pip >=24.1) when %TMP% folder is in an ImDisk created RAMDISK volume #140297
Open
@Yhg1s
Yhg1s deleted the backport-3612d8f-3.13 branch August 13, 2026 12:52
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@ambv ambv Awaiting requested review from ambv
@encukou encukou Awaiting requested review from encukou
@ethanfurman ethanfurman Awaiting requested review from ethanfurman ethanfurman is a code owner

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2 participants

@Yhg1s @ambv
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