All vulnerabilities
CVE-2026-108538

GPAC MP4Box os_thread.c gf_mx_v use after free

n/a GPAC
Open in ThreatlineRecord JSON
CVSS
5.3Medium
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 15 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.22%Chance of exploitation activity in the next 30 days, higher than 11% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published11 Oct 2026Updated 15 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

A security vulnerability has been detected in GPAC up to 26.07.0. The impacted element is the function gf_mx_v of the file utils/os_thread.c of the component MP4Box. Such manipulation leads to use after free. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Text from CVE List

Affected versions 1

  • GPACaffected: 26.07CVE List

References 5