What’s Vulnerable › Vulnerabilities

CVE-2026-112280: libaribb24 (aribb24) through 1.0.3 Heap Buffer Overflow via parse_data_unit_statement_body

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-19 · updated 2026-10-19
• Weakness: CWE-122

Description

libaribb24 (aribb24) through 1.0.3 contains a heap-based buffer overflow vulnerability in src/parser.c that allows attackers to corrupt heap memory via an oversized caption data unit. Attackers can supply a crafted caption PES packet in a media file or broadcast stream, processed through arib_parse_pes(), to crash FFmpeg or VLC and possibly corrupt further memory.

Affected products

• nkoriyama aribb24: through 1.0.3

References

• https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/parser.c
• https://hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-write
• https://www.vulncheck.com/advisories/libaribb24-aribb24-through-1.0.3-heap-buffer-overflow-via-parse-data-unit-statement-body

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