{"id":"CVE-2026-112281","published":"2026-10-19T14:17:06.260","lastModified":"2026-10-19T21:14:14.150","description":"libaribb24 (aribb24) through 1.0.3 contains a stack-based buffer overflow vulnerability in decoder_handle_csi() in src/decoder.c that allows attackers to write past a fixed 256-entry array by supplying unbounded CSI parameter bytes. Attackers can embed a caption statement with a CSI introducer and over 256 parameter bytes in media files or broadcast streams to crash FFmpeg or VLC or corrupt the return address.","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","cwes":["CWE-121"],"vendors":[],"products":[],"references":[{"url":"https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/decoder.c","tags":[]},{"url":"https://hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-write","tags":[]},{"url":"https://www.vulncheck.com/advisories/libaribb24-through-1.0.3-stack-buffer-overflow-via-decoder-handle-csi","tags":[]},{"url":"https://hackmd.io/@haindpwn/cve-2026-112280-112281-aribb24-caption-data-unit-and-csi-oob-write","tags":[]}],"exploitRefs":[{"url":"https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/decoder.c","tags":[]}],"hasPoc":true,"ai":null}