Vulnerability · Published Sep 14, 2026 · Assigned by VulDB

CVE-2026-90824GPAC MP4Box dom_events.c gf_sg_dom_event_bubble stack-based overflow

Low 3.3

In plain English

A low-severity stack buffer overflow in GPAC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low

Exploit odds (30 days)0.2%top 92.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in GPAC 26.07.0. Affected is the function gf_sg_dom_event_bubble of the file src/scenegraph/dom_events.c of the component MP4Box. The manipulation leads to stack-based buffer overflow. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. Upgrading to version abi-16.23 is able to address this issue. The identifier of the patch is 9eb40df4448b88d6a6ce3454657c06f47eff0b24. It is recommended to upgrade the affected component.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	26.07.0

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References

VDB-403326 | GPAC MP4Box dom_events.c gf_sg_dom_event_bubble stack-based overflow vdb-entry, technical-description
VDB-403326 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-90824 | CVE Analysis and Report third-party-advisory
Submit #914949 | GPAC GPAC MP4Box v26.07.0 Stack Overflow due to Uncontrolled Recursion third-party-advisory
https://github.com/gpac/gpac/issues/3804 issue-tracking
https://github.com/user-attachments/files/30398880/poc_08_add.zip exploit
https://github.com/gpac/gpac/commit/9eb40df4448b88d6a6ce3454657c06f47eff0b24 patch
https://github.com/gpac/gpac/releases/tag/abi-16.23 patch
https://github.com/gpac/gpac/ product