CVE-2025-6966

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
canonicalCNA
---
---
CISA-ADPADP
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
VendorProductVersion
ubuntupython-apt
𝑥
< 0.9.3.11
ubuntupython-apt
1.6.0 ≤
𝑥
< 1.6.6
ubuntupython-apt
2.0.0 ≤
𝑥
< 2.0.1
ubuntupython-apt
2.7.0 ≤
𝑥
< 2.7.7
ubuntupython-apt
0.9.3.5:ubuntu1
ubuntupython-apt
0.9.3.5:ubuntu2
ubuntupython-apt
0.9.3.11
ubuntupython-apt
0.9.3.11:build1
ubuntupython-apt
1.1.0:beta1
ubuntupython-apt
1.1.0:beta1build1
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.1
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.10
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.11
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.2
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.3
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.4
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.5
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.7
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.8
ubuntupython-apt
1.1.0:beta1ubuntu0.16.04.9
ubuntupython-apt
1.1.0:beta2ubuntu1
ubuntupython-apt
1.1.0:beta3
ubuntupython-apt
1.1.0:beta4
ubuntupython-apt
1.1.0:beta4ubuntu1
ubuntupython-apt
1.1.0:beta5
ubuntupython-apt
1.1.0:beta5ubuntu1
ubuntupython-apt
1.6.6
ubuntupython-apt
2.0.1
ubuntupython-apt
2.4.0:\+22.10
ubuntupython-apt
2.4.0
ubuntupython-apt
2.4.0:ubuntu1
ubuntupython-apt
2.4.0:ubuntu2
ubuntupython-apt
2.4.0:ubuntu3
ubuntupython-apt
2.4.0:ubuntu4
ubuntupython-apt
2.7.7
ubuntupython-apt
2.7.7:build1
ubuntupython-apt
2.7.7:ubuntu1
ubuntupython-apt
2.7.7:ubuntu2
ubuntupython-apt
2.7.7:ubuntu3
ubuntupython-apt
2.7.7:ubuntu4
ubuntupython-apt
2.7.7:ubuntu5
ubuntupython-apt
3.0.0
ubuntupython-apt
3.0.0:ubuntu1
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-apt
bullseye
vulnerable
trixie
no-dsa
bookworm
no-dsa
bullseye (security)
2.2.1.1
fixed
forky
3.1.0
fixed
sid
3.1.0
fixed