CVE-2026-112281
mediumlibaribb24 (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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/decoder.c disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-write disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/libaribb24-through-1.0.3-stack-buffer-overflow-via-de... disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/cve-2026-112280-112281-aribb24-caption-data-unit-and-csi-oob-w... 134c704f-9b21-4f2e-91b3-4a467353bcc0