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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-6966 Detail

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

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Canonical Ltd.
CVSS-B 6.9 MEDIUM
Vector:  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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2091865 Canonical Ltd.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference Canonical Ltd.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-6966
NVD Published Date:
12/05/2025
NVD Last Modified:
12/05/2025
Source:
Canonical Ltd.