{"schema":"threatline.record/2","record":{"id":"CVE-2026-112281","aliases":[],"summary":"libaribb24 through 1.0.3 Stack Buffer Overflow via decoder_handle_csi","details":"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.","categories":["Unclassified"],"product":"aribb24","vendor":"nkoriyama","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112281","source_modified_at":"2026-10-19T14:20:24.874Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"aribb24","vendor":"nkoriyama","versions":[{"version":"0","lessThanOrEqual":"1.0.3","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00197,"percentile":0.08955,"score_date":"2026-10-23"},"published_at":"2026-10-19T13:55:26.323Z","modified_at":"2026-10-19T14:20:24.874Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112281","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T14:20:24.874Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112281","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-write","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/decoder.c","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/libaribb24-through-1.0.3-stack-buffer-overflow-via-decoder-handle-csi","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://hackmd.io/@haindpwn/cve-2026-112280-112281-aribb24-caption-data-unit-and-csi-oob-write","tags":["exploit"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-19T14:20:02.109030Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T14:20:24.874Z","content_hash":"31de5d9dc15e6d579b0ded6598e477c13720c89ad112ef69c6069948fa59ff47"}}