CVE-2025-6966
5.5 · MEDIUMOverview
CVE-2025-6966 is a medium-severity vulnerability affecting ubuntu python-apt. It was published on December 5, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from ubuntu. Update python-apt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ubuntu | python-apt | >= 0, < 0.9.3.11 | Affected |
Frequently Asked Questions
What is CVE-2025-6966?
CVE-2025-6966 is a medium-severity vulnerability affecting ubuntu python-apt. It was published on December 5, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2025-6966?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-6966?
Check the references section for vendor advisories and patches from ubuntu. Update python-apt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-6966?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-6966 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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