Low severity · published Oct 19, 2026
CVE-2026-112284
libaribcaption 1.1.0 through 1.1.2 Out-of-Bounds Read via DecoderImpl::HandleGLGR
3.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
libaribcaption · xqq
1.1.0 through 1.1.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-112284
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-112284
github.com
https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/b24_conv_tables.hpp
github.com
https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/decoder_impl.cpp
github.com
https://github.com/xqq/libaribcaption/commit/9917cb311c93d884cb820d122911a211042da26c
hackmd.io
https://hackmd.io/@haindpwn/libaribcaption-latin-special-table-oob-read
www.vulncheck.com
https://www.vulncheck.com/advisories/libaribcaption-1.1.0-through-1.1.2-out-of-bounds-read-via-decoderimpl-handleglgr