What’s Vulnerable › Vulnerabilities

CVE-2026-112284: libaribcaption 1.1.0 through 1.1.2 Out-of-Bounds Read via DecoderImpl::HandleGLGR

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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-125

Description

libaribcaption 1.1.0 through 1.1.2 contains a global out-of-bounds read in DecoderImpl::HandleGLGR() that reads past the 78-entry kLatinSpecialTable without an upper bound check. Attackers can supply crafted captions designating the Latin special set with ESC 28 4C followed by bytes 0x6F-0x7E to leak adjacent read-only data or crash decoding.

Affected products

• xqq libaribcaption: from 1.1.0 through 1.1.2

References

• https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/b24_conv_tables.hpp
• https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/decoder_impl.cpp
• https://github.com/xqq/libaribcaption/commit/9917cb311c93d884cb820d122911a211042da26c
• https://hackmd.io/@haindpwn/libaribcaption-latin-special-table-oob-read
• https://www.vulncheck.com/advisories/libaribcaption-1.1.0-through-1.1.2-out-of-bounds-read-via-decoderimpl-handleglgr
• https://hackmd.io/@haindpwn/libaribcaption-latin-special-table-oob-read

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