CVE-2026-112284

EUVD-2026-104289
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.3 LOW
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 7.2%
Common Weakness Enumeration
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