Unrated severityNVD Advisory· Published Dec 5, 2025· Updated Dec 15, 2025
Null-pointer dereference in python-apt TagSection.keys()
CVE-2025-6966
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.
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Affected products
2- Canonical/python-aptv5Range: 3.0
Patches
Vulnerability mechanics
References
1News mentions
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