CVE-2021-35306: Axiosys BENTO4

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in Bento4 through v1.6.0-636. A NULL pointer dereference exists in the function AP4_StszAtom::WriteFields located in Ap4StszAtom.cpp. It allows an attacker to cause a denial of service (DOS).

Affected products

• Axiosys BENTO4: up to and including 1.6.0-636

Published 2021-08-05. Last modified 2026-06-17.