CVE Explorer
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://launchpad.net/ubuntu/+source/python-apt","defaultStatus":"unaffected","packageName":"python-apt","platforms":["Linux"],"product":"python-apt","vendor":"Canonical","versions":[{"lessThan":"3.0.0ubuntu1.1","status":"affected","version":"3.0","versionType":"custom"},{"lessThan":"3.0.0ubuntu0.25.04.1","status":"affected","version":"3.0","versionType":"custom"},{"lessThan":"2.7.7ubuntu5.1","status":"affected","version":"2.7","versionType":"custom"},{"lessThan":"2.4.0ubuntu4.1","status":"affected","version":"2.4","versionType":"custom"},{"lessThan":"2.0.1ubuntu0.20.04.1+esm…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:4864dffb1071dad17ba2f4d62a20228c1cce38a372ec4ccf0b2d88d14a074a24 · sha256:6aceae810115d6b0… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:4864dffb1071dad17ba2f4d62a20228c1cce38a372ec4ccf0b2d88d14a074a24 · sha256:6aceae810115d6b0… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:4864dffb1071dad17ba2f4d62a20228c1cce38a372ec4ccf0b2d88d14a074a24 · sha256:6aceae810115d6b0… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2091865"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:4864dffb1071dad17ba2f4d62a20228c1cce38a372ec4ccf0b2d88d14a074a24 · sha256:6aceae810115d6b0… · /containers/cna/references/0
{"url":"https://lists.debian.org/debian-lts-announce/2025/12/msg00019.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:4864dffb1071dad17ba2f4d62a20228c1cce38a372ec4ccf0b2d88d14a074a24 · sha256:6aceae810115d6b0… · /containers/adp/1/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.