{"id":"CVE-2026-125254","aliases":[],"cve":{"records":[{"id":"CVE-2026-125254","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-09T18:15:31.394Z","published":"2026-11-09T19:11:59.000Z","modified":"2026-11-09T20:56:48.691Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-11-09T19:11:59.000Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-09T20:56:48.691Z"}],"references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25572","tags":["issue-tracking"],"source":"VulnCheck"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/8732d7585cd8ab9d1dd9baeb4db5e93466c0efa7","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/vvc/mvs.c#L77","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/FFmpeg/FFmpeg","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-division-by-zero-via-vvc-ff-vvc-slice-rpl","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-369","description":"Divide By Zero","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*","versionEndIncluding":"9.0.2"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-09T20:55:19.505683Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"FFmpeg through 9.0.2 Division by Zero via VVC ff_vvc_slice_rpl()","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"FFmpeg through 9.0.2 contains a division by zero vulnerability in the VVC decoder because ff_vvc_slice_rpl() fails to validate num_ref_idx_active against built reference list entries. Attackers can supply a crafted VVC bitstream whose excess reference indices yield a zero POC difference in ff_vvc_mv_scale(), crashing the decoding process.","score":6.8,"severity":"medium","published":"2026-11-09T19:11:59.000Z","modified":"2026-11-09T20:56:48.691Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"FFmpeg","name":"FFmpeg","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"9.0.2","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:github/ffmpeg/ffmpeg","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-125254"}],"remediation":[],"references":["https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25572","https://github.com/FFmpeg/FFmpeg/commit/8732d7585cd8ab9d1dd9baeb4db5e93466c0efa7","https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/vvc/mvs.c#L77","https://github.com/FFmpeg/FFmpeg","https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-division-by-zero-via-vvc-ff-vvc-slice-rpl"],"sources":[{"name":"CVE","id":"CVE-2026-125254","modified":"2026-11-09T20:56:48.691Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-125254"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.8},{"source":"VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5}],"sourceAffected":[],"observedAt":"2026-11-09T21:06:11.881Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T00:55:33.128Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-11-09T19:45:33.417Z","attemptedAt":"2026-11-09T19:45:33.417Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-09T19:45:33.135Z","attemptedAt":"2026-11-09T19:45:33.135Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-09T19:45:32.579Z","attemptedAt":"2026-11-09T19:45:32.579Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-09T19:45:33.827Z","attemptedAt":"2026-11-09T19:45:33.827Z"}],"evidence":[],"aiSummary":{"text":"FFmpeg through 9.0.2 has a division by zero vulnerability in the VVC decoder. Attackers can crash the decoding process with a crafted VVC bitstream. The weakness is due to insufficient validation in ff_vvc_slice_rpl().","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-09T19:31:02.958Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-125254"}]}}