CVE-2026-112281 | BDVDB-2026-391663 Detail
nkoriyamaaribb24
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact high. Attack vector: local.
Weaknesses#
- CWE-121 Stack-based Buffer Overflow
References#
- https://hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-write
- https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/decoder.c
- https://www.vulncheck.com/advisories/libaribb24-through-1.0.3-stack-buffer-overflow-via-decoder-handle-csi
- https://hackmd.io/@haindpwn/cve-2026-112280-112281-aribb24-caption-data-unit-and-csi-oob-write
Exploit#
History#
- Version 1Record published in the CVE List.