CVE-2026-90824 GPAC MP4Box dom_events.c gf_sg_dom_event_bubble stack-based overflow
A local attacker can exploit a stack-based buffer overflow in GPAC's MP4Box component to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90824?
CVE-2026-90824 is a medium-severity memory corruption vulnerability in GPAC, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been found in GPAC 26.07.0. Affected is the function gf_sg_dom_event_bubble of the file src/scenegraph/dom_events.c of the component MP4Box. The manipulation leads to stack-based buffer overflow. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. Upgrading to version abi-16.23 is able to address this issue. The identifier of the patch is 9eb40df4448b88d6a6ce3454657c06f47eff0b24. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2026-90824?
How do I fix CVE-2026-90824?
No fix has been published for CVE-2026-90824 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-2026-90824 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90824 exists.
Sources
Also known as GHSA-78j3-rj3r-98vc, UBUNTU-CVE-2026-90824.