Null-pointer dereference in python-apt TagSection.keys() (Canonical python-apt)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.14 % · percentile 4 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- canonical
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-476 — NULL Pointer Dereference
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | MEDIUM 6.9 | 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 | canonical |
| CVSS 4.0 | MEDIUM 6.9 | 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 | NVD · security@ubuntu.com (Secondary) |
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2025-201407
- GCVE · GCVE-0-2025-6966
CERT-FR advisories
- CERTFR-2026-AVI-0112 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:*< 0.9.3.11cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:*≥ 1.6.0 < 1.6.6cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:*≥ 2.0.0 < 2.0.1cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:*≥ 2.7.0 < 2.7.7cpe:2.3:a:ubuntu:python-apt:0.9.3.5:ubuntu1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:0.9.3.5:ubuntu2:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:0.9.3.11:-:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:0.9.3.11:build1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1build1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.10:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.11:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.2:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.3:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.4:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.5:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.7:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.8:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.9:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta2ubuntu1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta3:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta4:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta4ubuntu1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta5:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.1.0:beta5ubuntu1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:1.6.6:-:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.0.1:-:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.4.0:\+22.10:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.4.0:-:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.4.0:ubuntu1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.4.0:ubuntu2:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.4.0:ubuntu3:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.4.0:ubuntu4:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.7.7:-:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.7.7:build1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.7.7:ubuntu1:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.7.7:ubuntu2:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.7.7:ubuntu3:*:*:*:*:*:*cpe:2.3:a:ubuntu:python-apt:2.7.7:ubuntu4:*:*:*:*:*:*- +4 more
Affected products
| Product | Versions |
|---|---|
| Canonical · python-apt | affected 3.0 < 3.0.0ubuntu1.1 ; affected 3.0 < 3.0.0ubuntu0.25.04.1 ; affected 2.7 < 2.7.7ubuntu5.1 ; affected 2.4 < 2.4.0ubuntu4.1 ; affected 2.0 < 2.0.1ubuntu0.20.04.1+esm1 ; affected 1.6 < 1.6.6ubuntu0.1~esm1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |