CVE-2026-91087 Details
Description
A flaw has been found in GPAC up to f1219cde. This vulnerability affects the function gf_mo_get_od_id of the file compositor/media_object.c of the component Compositor. Executing a manipulation can lead to use after free. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version abi-16.24 is able to resolve this issue. This patch is called e34f4ba349d55cd1849f0bcf4cf46552732e2db7. Upgrading the affected component is advised.
A heap-use-after-free vulnerability has been identified in GPAC versions prior to abi-16.24. The issue arises in the Compositor component, specifically within the function gf_mo_get_od_id, located in compositor/media_object.c. This vulnerability can be exploited remotely, leading to the potential for arbitrary code execution. The problem occurs when a freed media object is accessed during the instantiation of a prototype from an untrusted embedded scene graph, particularly while processing MP4 files with the MP4Box application.
Users are advised to upgrade to GPAC version abi-16.24 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 15, 2026CISA-ADP
Assessed Sep 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/gpac/gpac/ | [email protected] | Vendor |
| https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7 | [email protected] | Source CodeVendor |
| https://github.com/gpac/gpac/issues/3807 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/gpac/gpac/releases/tag/abi-16.24 | [email protected] | Release NotesVendor |
| https://github.com/user-attachments/files/30399593/poc_12_info.zip | [email protected] | Broken LinkExploit |
| https://vuldb.com/cve/CVE-2026-91087 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/919756 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/403649 | [email protected] | Permission Required |
| https://vuldb.com/vuln/403649/cti | [email protected] | Permission Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| GPAC | <f1219cde |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 15, 2026 | CVE Modified | CISA-ADP |
| Sep 15, 2026 | New CVE Received | [email protected] |