{"id":"CVE-2026-125238","title":"FFmpeg through 9.0.2 Reachable Assertion in libxevd EVC Decoder Wrapper","summary":"FFmpeg through 9.0.2 contains a reachable assertion vulnerability in libxevd_receive_frame() in libavcodec/libxevd.c that returns success when an access unit produces no frame. Attackers can supply a crafted EVC file with truncated or pi…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-617"],"vendor":"FFmpeg","product":"FFmpeg","affected":["FFmpeg >= 7.0 <= 9.0.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-09T20:56:54.759047Z"},"published":"2026-11-09","updated":"2026-11-09","sourceUpdated":"2026-11-09T21:06:53.639Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-125238","references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25416"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/33b0107a04b9ec361d76ae148cb6683964f88073","label":"Patch Commit"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/libxevd.c#L448"},{"url":"https://github.com/FFmpeg/FFmpeg"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-reachable-assertion-in-libxevd-evc-decoder-wrapper","label":"VulnCheck Advisory: FFmpeg through 9.0.2 Reachable Assertion in libxevd EVC Decoder Wrapper"}],"tags":["cve.org"],"ingestedAt":"2026-11-09T19:18:02.582Z","slug":"CVE-2026-125238","body":"## Overview\n\nFFmpeg through 9.0.2 contains a reachable assertion vulnerability in libxevd_receive_frame() in libavcodec/libxevd.c that returns success when an access unit produces no frame. Attackers can supply a crafted EVC file with truncated or picture-less access units to trigger the av_assert0() on frame->private_ref, aborting any decoding application.\n\n## Affected\n\n- `FFmpeg >= 7.0 <= 9.0.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}