{"id":"CVE-2026-125264","published":"2026-11-09T20:18:12.943","lastModified":"2026-11-10T21:46:26.870","description":"FFmpeg through 9.0.2 contains an uncontrolled resource consumption vulnerability in parse_frame_header() in libavcodec/jpegxl_parser.c that fails to validate TOC entry counts against remaining input. Attackers can supply a crafted JPEG XL frame header with a permuted TOC and huge toc_count, making the parser loop excessively and exhaust CPU.","cvssScore":5.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-606"],"vendors":[],"products":[],"references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25569","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/jpegxl_parser.c#L1343","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/bc896c613ec0d4ad0108d62fbdda0196f69e7121","tags":[]},{"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-cpu-exhaustion-via-jpeg-xl-parser-toc-count","tags":[]}],"exploitRefs":[{"url":"https://github.com/FFmpeg/FFmpeg","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/jpegxl_parser.c#L1343","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/bc896c613ec0d4ad0108d62fbdda0196f69e7121","tags":[]}],"hasPoc":true,"ai":null}