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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a GPAC affected
Version Status Constraints
26.07 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Gpac Subscribe
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/user-attachments/files/31270809/PoC.zip cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-108538 cve-icon cve-icon
https://vuldb.com/submit/941979 cve-icon cve-icon
https://vuldb.com/vuln/416193 cve-icon cve-icon
https://vuldb.com/vuln/416193/cti cve-icon cve-icon
History

Sun, 11 Oct 2026 05:00:00 +0000

Type Values Removed Values Added
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.
Title GPAC MP4Box os_thread.c gf_mx_v use after free
First Time appeared Gpac
Gpac gpac
Weaknesses CWE-119
CWE-416
CPEs cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*
Vendors & Products Gpac
Gpac gpac
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-11T04:45:11.508Z

Reserved: 2026-10-10T13:16:56.378Z

Link: CVE-2026-108538

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-11T05:16:53.477

Modified: 2026-10-11T05:16:53.620

Link: CVE-2026-108538

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses