{"id":"CVE-2026-112281","title":"libaribb24 through 1.0.3 Stack Buffer Overflow via decoder_handle_csi","summary":"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. Atta…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","cvssSource":"cna","cwe":["CWE-121"],"vendor":"nkoriyama","product":"aribb24","affected":["aribb24 <= 1.0.3"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-19T14:20:02.109030Z"},"exploitAvailable":true,"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T14:20:24.874Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112281","references":[{"url":"https://hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-write"},{"url":"https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/decoder.c"},{"url":"https://www.vulncheck.com/advisories/libaribb24-through-1.0.3-stack-buffer-overflow-via-decoder-handle-csi","label":"VulnCheck Advisory: libaribb24 through 1.0.3 Stack Buffer Overflow via decoder_handle_csi"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-19T14:30:01.062Z","slug":"CVE-2026-112281","body":"## Overview\n\nlibaribb24 (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.\n\n## Affected\n\n- `aribb24 <= 1.0.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}