CVE-2025-6966
MEDIUM EPSS 2.3%
Published Dec 5, 20256mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Published Dec 5, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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 Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
2.3% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-476 NULL Pointer Dereference Memory Safety
Affected Products 45
| Vendor | Product | Version | Range |
|---|---|---|---|
| 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 | any |
| ubuntu | python-apt | 0.9.3.5 | any |
| ubuntu | python-apt | 0.9.3.11 | any |
| ubuntu | python-apt | 0.9.3.11 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.1.0 | any |
| ubuntu | python-apt | 1.6.6 | any |
| ubuntu | python-apt | 2.0.1 | any |
| ubuntu | python-apt | 2.4.0 | any |
| ubuntu | python-apt | 2.4.0 | any |
| ubuntu | python-apt | 2.4.0 | any |
| ubuntu | python-apt | 2.4.0 | any |
| ubuntu | python-apt | 2.4.0 | any |
| ubuntu | python-apt | 2.4.0 | any |
| ubuntu | python-apt | 2.7.7 | any |
| ubuntu | python-apt | 2.7.7 | any |
| ubuntu | python-apt | 2.7.7 | any |
| ubuntu | python-apt | 2.7.7 | any |
| ubuntu | python-apt | 2.7.7 | any |
| ubuntu | python-apt | 2.7.7 | any |
| ubuntu | python-apt | 2.7.7 | any |
| ubuntu | python-apt | 3.0.0 | any |
| ubuntu | python-apt | 3.0.0 | any |
| canonical | ubuntu_linux | * | any |
| debian | debian_linux | 11.0 | any |
References 2
- bugs.launchpad.net https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2091865
- lists.debian.org https://lists.debian.org/debian-lts-announce/2025/12/msg00019.html
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.