CVE-2026-108538CWE-119CWE-416

CVE-2026-108538

Medium · published October 11, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
11.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00220 · 11.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-416 · Use After Free
Published
2026-10-11T09:16Z
References (5)
https://github.com/user-attachments/files/31270809/PoC.zip · [email protected]https://vuldb.com/cve/CVE-2026-108538 · [email protected]https://vuldb.com/submit/941979 · [email protected]https://vuldb.com/vuln/416193 · [email protected]https://vuldb.com/vuln/416193/cti · [email protected]
EPSS history
Timeline
  • 12 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 11 OCT 04:45Z
    GPAC MP4Box os_thread.c gf_mx_v use after free
    cvelistv5
  • 11 OCT 04:45Z
    GPAC MP4Box os_thread.c gf_mx_v use after free
    cvelistv5