CVE-2021-31254: Gpac

High severity, CVSS 7.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Buffer overflow in the tenc_box_read function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file, related invalid IV sizes.

Affected products

• Gpac Gpac: version 1.0.1 only

Published 2021-04-19. Last modified 2026-06-17.