CVE-2025-6966

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"vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2025-12-05T13:16:05.220", "references": [{"url": "https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2091865", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/12/msg00019.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@ubuntu.com", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-01-07T22:20:56.370", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4FFC88CF-9186-4A10-91B0-85D8E30E6849", "versionEndExcluding": "0.9.3.11"}, {"criteria": "cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "588612AB-3369-44AC-B37F-8E264C303EF1", "versionEndExcluding": "1.6.6", "versionStartIncluding": "1.6.0"}, {"criteria": "cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "06A96A3F-D264-4142-9971-763179D99EE8", "versionEndExcluding": "2.0.1", "versionStartIncluding": "2.0.0"}, {"criteria": "cpe:2.3:a:ubuntu:python-apt:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "95EB3FF3-A940-4824-BEEA-4D7238F225B4", "versionEndExcluding": "2.7.7", "versionStartIncluding": "2.7.0"}, {"criteria": 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