CVE-2026-9567
low
CVSS v3
3.3
CVSS v2
1.7
VIR risk
3.3
Description
A security flaw has been discovered in GPAC up to 2.4.0. Affected is the function MergeFragment of the file src/isomedia/isom_intern.c of the component MP4Box. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The patch is identified as 525bf1af642c30af04e4df5345e6d798c0a4d8a1. It is advisable to implement a patch to correct this issue.
Predictions
Exploit likelihood
34%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-9567
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bullseye | affected | |
References
- https://github.com/gpac/gpac/
- https://github.com/gpac/gpac/issues/3549
- https://github.com/makesoftwaresafe/gpac/commit/525bf1af642c30af04e4df5345e6d798c0a4d8a1
- https://github.com/user-attachments/files/27196918/poc.zip
- https://vuldb.com/submit/816075
- https://vuldb.com/vuln/365629
- https://vuldb.com/vuln/365629/cti
- https://security-tracker.debian.org/tracker/CVE-2026-9567
CWEs
CWE-404 CWE-476
Verify integrity in audit chain (admin only). AS-IS.