CVE-2025-6966
Publication date 5 December 2025
Last updated 9 December 2025
Ubuntu priority
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
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| python-apt | 25.10 questing |
Fixed 3.0.0ubuntu1.1
|
| 25.04 plucky |
Fixed 3.0.0ubuntu0.25.04.1
|
|
| 24.04 LTS noble |
Fixed 2.7.7ubuntu5.1
|
|
| 22.04 LTS jammy |
Fixed 2.4.0ubuntu4.1
|
|
| 20.04 LTS focal |
Fixed 2.0.1ubuntu0.20.04.1+esm1
|
|
| 18.04 LTS bionic |
Fixed 1.6.6ubuntu0.1~esm1
|
|
| 16.04 LTS xenial |
Fixed 1.1.0~beta1ubuntu0.16.04.12+esm1
|
|
| 14.04 LTS trusty |
Fixed 0.9.3.5ubuntu3+esm5
|
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Related Ubuntu Security Notices (USN)
- USN-7916-1
- python-apt vulnerability
- 9 December 2025