CVE-2025-55664 Memory corruption in n/a

Medium 5.5 Published Updated

A heap buffer overflow in GPAC MP4Box allows attackers to cause a Denial of Service via a crafted MP4 file.

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-2025-55664?

CVE-2025-55664 is a medium-severity memory corruption vulnerability in n/a, published on 1 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 heap buffer overflow in the m2tsdmx_send_packet function (filters/dmx_m2ts.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Weakness: CWE-122

Which versions are affected by CVE-2025-55664?

How do I fix CVE-2025-55664?

No fix has been published for CVE-2025-55664 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-55664 being exploited?

There is no known exploitation of CVE-2025-55664 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2025-55664, GHSA-gc4c-qf5m-fp82, UBUNTU-CVE-2025-55664.

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