CVE-2022-40737: 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 buffer over-read exists in the function AP4_StdcFileByteStream::WritePartial located in System/StdC/Ap4StdCFileByteStream.cpp, called from AP4_ByteStream::Write and AP4_HdlrAtom::WriteFields.

Affected products

• Axiosys BENTO4: up to and including 1.6.0-639

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