CVE-2026-92472 GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free
A local attacker can trigger a use-after-free in GPAC MP4Box, potentially leading to code execution or 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-2026-92472?
CVE-2026-92472 is a medium-severity use after free vulnerability in GPAC, published on 16 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was determined in GPAC 26.08-DEV. The affected element is the function gf_node_deactivate_ex of the file src/scenegraph/base_scenegraph.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.24 is sufficient to fix this issue. This patch is called e34f4ba349d55cd1849f0bcf4cf46552732e2db7. The affected component should be upgraded. This issue is distinct from CVE-2026-90827.
Which versions are affected by CVE-2026-92472?
How do I fix CVE-2026-92472?
No fix has been published for CVE-2026-92472 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-92472 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92472 exists.
Sources
Also known as GHSA-762r-99p2-593p, UBUNTU-CVE-2026-92472.