CVE-2026-90576 GPAC MP4Box base_scenegraph.c gf_node_list_add_child null pointer dereference
A local attacker can cause a denial of service via null pointer dereference in GPAC MP4Box, requiring an upgrade to mitigate.
- 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-2026-90576?
CVE-2026-90576 is a medium-severity vulnerability in GPAC, published on 13 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security vulnerability has been detected in GPAC up to f1219cde. Affected is the function gf_node_list_add_child of the file scenegraph/base_scenegraph.c of the component MP4Box. Such manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version abi-16.23 is able to address this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.
Which versions are affected by CVE-2026-90576?
How do I fix CVE-2026-90576?
No fix has been published for CVE-2026-90576 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-90576 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90576 exists.
Sources
Also known as GHSA-f7cq-v5h9-p5c7, UBUNTU-CVE-2026-90576.