CVE-2026-1415 GPAC media_export.c gf_media_export_webvtt_metadata null pointer dereference

Medium 4.8 Published 26 Jan 2026 Updated 23 Feb 2026

A local attacker can cause a denial of service in GPAC via a null pointer dereference in WebVTT metadata export.

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-2026-1415?

CVE-2026-1415 is a medium-severity vulnerability in Gpac Gpac, published on 26 Jan 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 2.4.0. Affected is the function gf_media_export_webvtt_metadata of the file src/media_tools/media_export.c. The manipulation of the argument Name leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly available and might be used. The identifier of the patch is af951b892dfbaaa38336ba2eba6d6a42c25810fd. To fix this issue, it is recommended to deploy a patch.

Weakness: CWE-476, CWE-404

Which versions are affected by CVE-2026-1415?

It affects 1 product.

Products include Gpac Gpac.

How do I fix CVE-2026-1415?

No fix has been published for CVE-2026-1415 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-1415 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1415 exists.

All Gpac Gpac vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-1415, GHSA-r58r-mmgc-mr7f, UBUNTU-CVE-2026-1415.