CVEvulnerability
CVE-2025-6966
6.9 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-12-05
- Last modified
- 2026-09-25
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.9 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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.
Affected configurations
• ubuntu python-apt (< 0.9.3.11)
• ubuntu python-apt (>= 1.6.0 < 1.6.6)
• ubuntu python-apt (>= 2.0.0 < 2.0.1)
• ubuntu python-apt (>= 2.7.0 < 2.7.7)
• ubuntu python-apt 0.9.3.5
• ubuntu python-apt 0.9.3.11
• ubuntu python-apt 1.1.0
• ubuntu python-apt 1.6.6
• ubuntu python-apt 2.0.1
• ubuntu python-apt 2.4.0
• ubuntu python-apt 2.7.7
• ubuntu python-apt 3.0.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2091865 Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/12/msg00019.html Mailing List, Third Party Advisory