CVE-2025-6966 - CVE House
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Status published Medium CVE-2025-6966

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Julian Andres Klode

Affected Vendor

Affected Software

python-apt
Vulnerable Versions:
3.0, 2.7, 2.4, 2.0, 1.6, 1.1, 0

Timeline

Official Publish: December 5th, 2025
Last Modified: December 15th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)