CVE-2025-6966

MediumCVSS 5.5/10Last modified Sep 25, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published
Dec 5, 2025
Last modified
Sep 25, 2026
NVD status
Analyzed

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CVE-2025-6966: Medium severity, CVSS 5.5 | Vulnix