GPAC MP4Box os_thread.c gf_mx_v use after free
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.
CVE-2026-108538
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-108538
GPAC
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"
],
"vendor": "n/a",
"modules": [
"MP4Box"
],
"product": "GPAC",
"versions": [
{
"status": "affected",
"version": "26.07"
}
]
}
]- Related CVEs
- CVE-2026-108538
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #29007 · Revision 1
- Added to Heist Feed
- Publisher date