CVE-2025-6966
Last modified
CVE-2025-6966 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. 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.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
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
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| 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 | Ubuntu1 |
| Ubuntu | Python-Apt | 0.9.3.11 | — |
| Ubuntu | Python-Apt | 1.1.0 | Beta1 |
| Ubuntu | Python-Apt | 1.6.6 | — |
| Ubuntu | Python-Apt | 2.0.1 | — |
| Ubuntu | Python-Apt | 2.4.0 | \+22.10 |
| Ubuntu | Python-Apt | 2.7.7 | — |
| Ubuntu | Python-Apt | 3.0.0 | — |
| Debian | Debian Linux | 11.0 | — |
References
- https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2091865Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/12/msg00019.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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