CVE-2026-108539
GPAC MP4Box filter_queue.c gf_fq_pop use after free
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 11, 2026
- Updated
- Oct 13, 2026
- Reserved
- Oct 10, 2026
Description
A vulnerability was detected in GPAC up to 26.07.0. This affects the function gf_fq_pop of the file filter_core/filter_queue.c of the component MP4Box. Performing a manipulation results in use after free. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
GPACn/a |
|
References
- VDB-416194 | GPAC MP4Box filter_queue.c gf_fq_pop use after freevdb-entrytechnical-description
- VDB-416194 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-108539 | CVE Analysis and Reportthird-party-advisory
- Submit #941995 | gpac v26.07.0 Race Conditionthird-party-advisory
- https://github.com/user-attachments/files/31288202/PoC.zipexploit
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