VULNERABILITY INTELLIGENCE

CVE-2025-6966

CVSS score5.5 MEDIUM

EPSS probability0.14%

CISA KEVNot currently listed

Published2025-12-05

Last modified2026-09-25

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

security@ubuntu.com: CWE-476

Primary references

security@ubuntu.com — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory