[3.10] gh-135034: Normalize link targets in tarfile, add `os.path.realpath(strict='allow_missing')` (GH-135037) by Yhg1s · Pull Request #135070 · 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) (cherry picked from commit c358142) (cherry picked from commit 371b4ea)

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

Yhg1s and others added 12 commits

June 3, 2025 14:19

non-strict test for unreadable symlinks, whch isn't supported before 3.13.

unrelated to the security fix.

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[3.10] gh-135034: Normalize link targets in tarfile, add os.path.realpath(strict='allow_missing') (GH-135037) by Yhg1s · Pull Request #135070 · python/cpython (original) (raw)

[3.10] gh-135034: Normalize link targets in tarfile, add `os.path.realpath(strict='allow_missing')` (GH-135037) by Yhg1s · Pull Request #135070 · python/cpython (original) (raw)