Medium severity6.1NVD Advisory· Published Oct 19, 2026· Updated Oct 19, 2026
CVE-2026-112281
CVE-2026-112281
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.
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Affected products
1Patches
Vulnerability mechanics
References
4- github.com/nkoriyama/aribb24/blob/v1.0.3/src/decoder.cnvd
- hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-writenvd
- hackmd.io/@haindpwn/cve-2026-112280-112281-aribb24-caption-data-unit-and-csi-oob-writenvd
- www.vulncheck.com/advisories/libaribb24-through-1.0.3-stack-buffer-overflow-via-decoder-handle-csinvd
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