CVE-2025-55642 Denial of service in n/a
A floating point exception in GPAC MP4Box allows attackers to cause a denial of service via crafted media files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-55642?
CVE-2025-55642 is a medium-severity denial of service vulnerability in Gpac Gpac, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
GPAC MP4Box v2.4 was discovered to contain a floating point exception in the avidmx_process function (isomedia/isom_write.c).
Weakness: CWE-369
Which versions are affected by CVE-2025-55642?
It affects 1 product.
Products include Gpac Gpac.
How do I fix CVE-2025-55642?
No fix has been published for CVE-2025-55642 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-2025-55642 being exploited?
There is no known exploitation of CVE-2025-55642 in the wild and no public exploit code.
Other vulnerabilities in Gpac Gpac
Sources
Also known as DEBIAN-CVE-2025-55642, GHSA-79v6-5w6w-c48m, UBUNTU-CVE-2025-55642.