[3.12] gh-135034: Normalize link targets in tarfile, add `os.path.realpath(strict='allow_missing')` (GH-135037) by Yhg1s · Pull Request #135066 · python/cpython (original) (raw)

…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 lukasz@langa.pl Signed-off-by: Łukasz Langa lukasz@langa.pl Co-authored-by: Petr Viktorin encukou@gmail.com Co-authored-by: Seth Michael Larson seth@python.org Co-authored-by: Adam Turner 9087854+AA-Turner@users.noreply.github.com Co-authored-by: Serhiy Storchaka storchaka@gmail.com

This was referenced

Jun 3, 2025

handled in 3.12 like they are in 3.13.

This one passes on MacOS, and gives some test coverage for OSErrors other than missing files.

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[3.12] gh-135034: Normalize link targets in tarfile, add os.path.realpath(strict='allow_missing') (GH-135037) by Yhg1s · Pull Request #135066 · python/cpython (original) (raw)

[3.12] gh-135034: Normalize link targets in tarfile, add `os.path.realpath(strict='allow_missing')` (GH-135037) by Yhg1s · Pull Request #135066 · python/cpython (original) (raw)