CVE-2025-15667
GPAC MP4Box avc_ext.c gf_isom_nalu_sample_rewrite double free
- State
- Published
- Severity
- 4.8 Medium
- Published
- Jul 6, 2026
- Updated
- Jul 6, 2026
- Reserved
- Jul 4, 2026
Description
A vulnerability was determined in GPAC up to 2.5-DEV. This vulnerability affects the function gf_isom_nalu_sample_rewrite of the file src/isomedia/avc_ext.c of the component MP4Box. This manipulation of the argument nalu_out_bs causes double free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: f29f955f2a3b5e8e507caad3e52319f961bf37bf. To fix this issue, it is recommended to deploy a patch.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 3.3 Low | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 1.7 Low | AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
GPACn/a |
|
References
- VDB-376292 | GPAC MP4Box avc_ext.c gf_isom_nalu_sample_rewrite double freevdb-entrytechnical-description
- VDB-376292 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2025-15667 | CVE Analysis and Reportthird-party-advisory
- Submit #846839 | GPAC v0.9.0 - v2.5-DEV Double Freethird-party-advisory
- https://github.com/gpac/gpac/issues/3403issue-tracking
- https://github.com/TimChan2001/pocs/raw/refs/heads/main/poc-gpac-1exploit
- https://github.com/gpac/gpac/commit/f29f955f2a3b5e8e507caad3e52319f961bf37bfpatch
- https://github.com/gpac/gpac/product
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