CVE-2025-55667 Denial of service in n/a
Attackers can cause a denial of service in GPAC MP4Box by supplying a crafted MP4 file, triggering a segmentation violation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-55667?
CVE-2025-55667 is a medium-severity denial of service vulnerability in n/a, published on 19 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A segmentation violation in the dump_isom_saps function (/mp4box/filedump.c) of GPAC MP4Box v2.5-DEV-rev1672-gc9a31d0e1-masterallows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
Weakness: CWE-119
Which versions are affected by CVE-2025-55667?
How do I fix CVE-2025-55667?
No fix has been published for CVE-2025-55667 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-55667 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55667 exists.
Sources
Also known as GHSA-j9x6-f485-2g6f, UBUNTU-CVE-2025-55667.