CVE-2025-55664

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Published 2026-06-01. Last modified 2026-07-22.