{"id":"CVE-2026-125210","published":"2026-11-09T19:16:57.793","lastModified":"2026-11-10T21:46:26.110","description":"FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in aribcaption_trans_text_subtitle() in libavcodec/libaribcaption.c when decoding with sub_type text. Attackers can supply a crafted ARIB STD-B24 caption stream with zero regions, causing a pointer write past a zero-sized sub->rects allocation and corrupting heap memory.","cvssScore":7,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-131"],"vendors":[],"products":[],"references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24992","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/libaribcaption.c#L799","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/7c06aea6f0d26dd70c94ccba6127059cd0a0e352","tags":[]},{"url":"https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-heap-overflow-in-libaribcaption-text-subtitle-decoding","tags":[]}],"exploitRefs":[{"url":"https://github.com/FFmpeg/FFmpeg","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/libaribcaption.c#L799","tags":[]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/7c06aea6f0d26dd70c94ccba6127059cd0a0e352","tags":[]}],"hasPoc":true,"ai":null}