MEDIUM 6.9 NVD
CVE-2026-112281
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
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.
References
- https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/decoder.c
- https://hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-write
- https://www.vulncheck.com/advisories/libaribb24-through-1.0.3-stack-buffer-overflow-via-de
- https://hackmd.io/@haindpwn/cve-2026-112280-112281-aribb24-caption-data-unit-and-csi-oob-w
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-10-19 via NVD.
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