Vulnerability · Published Sep 16, 2026 · Assigned by VulDB

CVE-2026-92474GPAC Proto Link mpeg4_inline.c gf_inline_get_proto_lib use after free

Low 3.3

In plain English

A low-severity use-after-free 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 6% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low

Exploit odds (30 days)0.2%top 93.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in GPAC 26.08-DEV. This affects the function gf_inline_get_proto_lib of the file src/compositor/mpeg4_inline.c of the component Proto Link Handler. The manipulation results in use after free. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. Upgrading to version abi-16.24 mitigates this issue. The patch is identified as e34f4ba349d55cd1849f0bcf4cf46552732e2db7. Upgrading the affected component is recommended.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	26.08-DEV

Weakness: CWE-416, 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-405733 | GPAC Proto Link mpeg4_inline.c gf_inline_get_proto_lib use after free vdb-entry, technical-description
VDB-405733 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-92474 | CVE Analysis and Report third-party-advisory
Submit #941005 | GPAC GPAC MP4Box GPAC 26.08-DEV / master commit 49dee5cad329cfed310c1682703df7daa47df31a: Heap Use-After-Free third-party-advisory
https://github.com/gpac/gpac/issues/3829 issue-tracking
https://github.com/user-attachments/files/30635900/poc_01.zip exploit
https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7 patch
https://github.com/gpac/gpac/releases/tag/abi-16.24 patch
https://github.com/gpac/gpac/ product