CVE Explorer
CVE-2026-40962
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"FFmpeg","vendor":"FFmpeg","versions":[{"lessThan":"8.1","status":"affected","version":"4.1","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:a25febd67de93b65b7635101fc77b11103c544cd1af0a119c94815581d9b8a2b · sha256:a48caf97f90c48eb… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:a25febd67de93b65b7635101fc77b11103c544cd1af0a119c94815581d9b8a2b · sha256:a48caf97f90c48eb… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a25febd67de93b65b7635101fc77b11103c544cd1af0a119c94815581d9b8a2b · sha256:a48caf97f90c48eb… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22348"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a25febd67de93b65b7635101fc77b11103c544cd1af0a119c94815581d9b8a2b · sha256:a48caf97f90c48eb… · /containers/cna/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.