CVE-2026-90578

GPAC MP4Box list.c gf_list_count use after free

State: Published
Severity: 4.8 Medium
Published: Sep 13, 2026
Updated: Sep 15, 2026
Reserved: Sep 12, 2026

Description

A flaw has been found in GPAC up to f1219cde. Affected by this issue is the function gf_list_count of the file utils/list.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack is restricted to local execution. The exploit has been published and may be used. Upgrading to version abi-16.23 can resolve this issue. This patch is called 49dee5cad329cfed310c1682703df7daa47df31a. It is suggested to upgrade the affected component.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	4.3 Medium	AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-416 Use After Free
CWE-119 Memory Corruption

Affected Products

Product	Versions
GPACn/a	f1219cdeAffected abi-16.23Not affected

References

VDB-403163 | GPAC MP4Box list.c gf_list_count use after freevdb-entrytechnical-description
VDB-403163 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-90578 | CVE Analysis and Reportthird-party-advisory
Submit #913217 | GPAC up to commit f1219cde (2026-07-25) Memory Corruptionthird-party-advisory
https://github.com/gpac/gpac/issues/3817issue-tracking
https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-MP4Box-SEGV-in-gf_list_count-(Use-After-Free).mdexploit
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31apatch
https://github.com/gpac/gpac/releases/tag/abi-16.23patch
https://github.com/gpac/gpac/product

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