CVE-2026-90791

Medium

Description

A vulnerability was detected in GPAC up to f1219cde. This vulnerability affects the function gf_node_unregister of the file scenegraph/base_scenegraph.c of the component MP4Box. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version abi-16.23 is able to resolve this issue. The patch is identified as 9eb40df4448b88d6a6ce3454657c06f47eff0b24. Upgrading the affected component is recommended.

SeverityMedium

CVSS6.3

Exploit probability—

ProductGpac

PublishedSep 14, 2026

First seenSep 14, 2026

Weakness typeCWE-416Use after free CWE-119Memory buffer bounds error

How to fix

Patches

Affected products

Product	Affected versions	Fixed in
gpac gpac	f1219cde	—

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