CVE-2022-40738: Axiosys BENTO4

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in Bento4 through 1.6.0-639. A NULL pointer dereference occurs in AP4_DescriptorListWriter::Action in Core/Ap4Descriptor.h, called from AP4_EsDescriptor::WriteFields and AP4_Expandable::Write.

Affected products

• Axiosys BENTO4: up to and including 1.6.0-639

Published 2022-09-15. Last modified 2026-06-17.