CVE-2021-40576: Gpac

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

The binary MP4Box in Gpac 1.0.1 has a null pointer dereference vulnerability in the gf_isom_get_payt_count function in hint_track.c, which allows attackers to cause a denial of service.

Affected products

• Gpac Gpac: version 1.0.1 only

Published 2022-01-13. Last modified 2026-06-17.