Null-pointer dereference in python-apt TagSection.keys()_CVE-2025-6966

6.9 / 10

MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

NULL pointer dereference in TagSection.keys() in python-apt on APT-based
Linux systems allows a local attacker to cause a denial of service
(process crash) via a crafted deb822 file with a malformed non-UTF-8 key.

Basic Information

ID CVE-2025-6966

Source canonical

Published Dec 5, 2025 at 12:59

Modified Dec 5, 2025 at 14:01

Affected Product

Vendor Canonical

Product python-apt

Affected Versions Canonical python-apt 0

CWE Classification

CWE-476

References

bugs.launchpad.net /ubuntu/+source/python-apt/+bug/2091865

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    "published": "2025-12-05T12:59:41.320Z",
    "modified": "2025-12-05T14:01:38.476Z",
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