{"id":"CVE-2026-125258","title":"FFmpeg through 9.0.2 Division by Zero via dovi_configure_ext() in dovi_rpuenc.c","summary":"FFmpeg through 9.0.2 contains a division by zero vulnerability in dovi_configure_ext() in libavcodec/dovi_rpuenc.c that allows attackers to crash the process via an unvalidated frame rate denominator. Attackers can supply a crafted HEVC …","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-369"],"vendor":"FFmpeg","product":"FFmpeg","affected":["FFmpeg <= 9.0.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-09T20:55:03.666768Z"},"published":"2026-11-09","updated":"2026-11-09","sourceUpdated":"2026-11-09T20:56:48.553Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-125258","references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25408"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/ab28d57ba2ec07b41b4a60ed8806b13a39ec86fe","label":"Patch Commit"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/dovi_rpuenc.c#L187"},{"url":"https://github.com/FFmpeg/FFmpeg"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-division-by-zero-via-dovi-configure-ext-in-dovi-rpuenc-c","label":"VulnCheck Advisory: FFmpeg through 9.0.2 Division by Zero via dovi_configure_ext() in dovi_rpuenc.c"}],"tags":["cve.org"],"ingestedAt":"2026-11-09T20:27:27.080Z","slug":"CVE-2026-125258","body":"## Overview\n\nFFmpeg through 9.0.2 contains a division by zero vulnerability in dovi_configure_ext() in libavcodec/dovi_rpuenc.c that allows attackers to crash the process via an unvalidated frame rate denominator. Attackers can supply a crafted HEVC or AV1 input with a nonzero frame rate numerator and zero denominator to the dovi_rpu bitstream filter or libx265, libaom, or libsvtav1 encoders, causing denial of service.\n\n## Affected\n\n- `FFmpeg <= 9.0.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}