CVE-2026-91087
GPAC Compositor media_object.c gf_mo_get_od_id use after free
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 15, 2026
- Updated
- Sep 15, 2026
- Reserved
- Sep 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
GPACn/a |
|
References
- VDB-403649 | GPAC Compositor media_object.c gf_mo_get_od_id use after freevdb-entrytechnical-description
- VDB-403649 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-91087 | CVE Analysis and Reportthird-party-advisory
- Submit #919756 | GPAC master f1219cde (2026-07-25) Use After Freethird-party-advisory
- https://github.com/gpac/gpac/issues/3807issue-tracking
- https://github.com/user-attachments/files/30399593/poc_12_info.zipexploit
- https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7patch
- https://github.com/gpac/gpac/releases/tag/abi-16.24patch
- https://github.com/gpac/gpac/product
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