CVE-2026-109827 GPAC AIT Parser ait.c gf_m2ts_decode_ait out-of-bounds write

Medium 5.3 Published Updated

Remote attackers can trigger an out-of-bounds write in the GPAC AIT parser, potentially leading to code execution or denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-109827?

CVE-2026-109827 is a medium-severity memory corruption vulnerability in GPAC, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability has been found in GPAC up to 26.07.0. This vulnerability affects the function gf_m2ts_decode_ait of the file src/media_tools/ait.c of the component AIT Parser. Such manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 6d2c21a1a688abb20d0111b608db3b6f44d348f4. Applying a patch is advised to resolve this issue.

Weakness: CWE-787, CWE-119

Which versions are affected by CVE-2026-109827?

How do I fix CVE-2026-109827?

No fix has been published for CVE-2026-109827 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-109827 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109827 exists.

Sources

Also known as GHSA-xg2v-p5jc-x9xf, UBUNTU-CVE-2026-109827.

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