CVE-2025-6966 is a NULL pointer dereference vulnerability in python-apt's TagSection.keys() function, affecting APT-based Linux systems including Canonical and Debian distributions. A local attacker can exploit this by providing a crafted deb822 file with a malformed non-UTF-8 key, leading to a denial of service through a process crash. Rated MEDIUM with a CVSS score of 5.5, this low-complexity attack requires local user privileges. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.9.3.11CPE matchmatch criteria | cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:* | ||
>= 1.6.0, < 1.6.6CPE matchmatch criteria | cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:* | ||
>= 2.0.0, < 2.0.1CPE matchmatch criteria | cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:* | ||
>= 2.7.0, < 2.7.7CPE matchmatch criteria | cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:* | ||
0.9.3.5CPE matchmatch criteria | cpe:2.3:a:ubuntu:python-apt:0.9.3.5:ubuntu1:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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
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