CVE-2026-112284 libaribcaption 1.1.0 through 1.1.2 Out-of-Bounds Read via DecoderImpl::HandleGLGR
Attackers can trigger an out-of-bounds read in libaribcaption to leak adjacent memory or crash the decoder via crafted caption data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-112284?
CVE-2026-112284 is a medium-severity vulnerability in xqq libaribcaption, published on 19 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-125
Which versions are affected by CVE-2026-112284?
How do I fix CVE-2026-112284?
No fix has been published for CVE-2026-112284 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-112284 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112284 exists.
Sources
Also known as GHSA-jjwq-w2jx-jw8v.