CVE-2021-40565: Gpac

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A Segmentation fault caused by a null pointer dereference vulnerability exists in Gpac through 1.0.1 via the gf_avc_parse_nalu function in av_parsers.c when using mp4box, which causes a denial of service.

Affected products

• Gpac Gpac: up to and including 1.0.1

Published 2022-01-12. Last modified 2026-06-17.