CVE-2026-90573 GPAC MP4Box vrml_tools.c gf_sg_mfurl_del null pointer dereference
A local attacker can cause a denial of service via null pointer dereference in GPAC MP4Box, requiring an upgrade to the latest version.
- 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-2026-90573?
CVE-2026-90573 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 vulnerability was identified in GPAC up to f1219cde. The impacted element is the function gf_sg_mfurl_del of the file scenegraph/vrml_tools.c of the component MP4Box. The manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit is publicly available and might be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. Upgrading to version abi-16.23 is sufficient to resolve this issue. The identifier of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2026-90573?
How do I fix CVE-2026-90573?
No fix has been published for CVE-2026-90573 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-90573 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90573 exists.
Sources
Also known as GHSA-78gm-9375-9qmx, UBUNTU-CVE-2026-90573.