#1151858 pypy3: CVE-2026-82049

Package:
src:pypy3
Source:
src:pypy3
Submitter:
Moritz Mühlenhoff
Date:
2026-10-24 07:07:02 UTC
Severity:
normal
Tags:
#1151858#5
Date:
2026-10-23 22:02:05 UTC
From:
To:
Hi,

The following vulnerability was published for pypy3.

CVE-2026-82049[0]:
| In CPython 3.13 and earlier, the tarfile module's data and tar
| extraction filters are vulnerable to crafted archives containing a
| hard link to a symbolic link. Such archives may cause extraction to
| modify the permissions or modification time of a file outside the
| destination directory, or expose the contents of that file within
| the extracted tree.

https://github.com/python/cpython/issues/157190

Fix in cpython:
https://github.com/python/cpython/commit/b8f23e307097552eaea2604383a12ab280520d0d (3.13 branch)


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-82049
https://www.cve.org/CVERecord?id=CVE-2026-82049

Please adjust the affected versions in the BTS as needed.