CVE-2025-55663 Null dereference 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-2025-55663?
CVE-2025-55663 is a medium-severity vulnerability in Gpac Gpac, published on 15 Jun 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 Track_SetStreamDescriptor function (isomedia/track.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
Weakness: CWE-476
Which versions are affected by CVE-2025-55663?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2025-55663?
No fix has been published for CVE-2025-55663 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-55663 being exploited?
There is no known exploitation of CVE-2025-55663 in the wild and no public exploit code.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2025-55663, GHSA-pm88-9xjw-ghxf, UBUNTU-CVE-2025-55663.