PT-2025-49242 · Pypi+3 · Python-Apt+3

Published 2024-12-16 · Updated 2026-03-04 · CVE-2025-6966

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions python-apt (affected versions not specified)

Description A flaw exists in python-apt on APT-based Linux systems due to a NULL pointer dereference within the TagSection.keys() function. A local attacker can exploit this by providing a specially crafted deb822 file containing a malformed, non-UTF-8 key, leading to a denial of service and process crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2026-06692

CVE-2025-6966

DLA-4408-1

USN-7916-1

USN-7916-2

Affected Products

Debian

Linuxmint

Ubuntu

Python-Apt

References · 30

• 🔥 https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2091865 · Exploit
• https://bdu.fstec.ru/vul/2026-06692 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-6966 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-6966 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-6966 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4408-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-6966 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-6966 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7916-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-6966 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7916-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-6966 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0421SE17 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7916-2 · Vendor Advisory