CVE-2018-20659: Axiosys BENTO4

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in Bento4 1.5.1-627. The AP4_StcoAtom class in Core/Ap4StcoAtom.cpp has an attempted excessive memory allocation when called from AP4_AtomFactory::CreateAtomFromStream in Core/Ap4AtomFactory.cpp, as demonstrated by mp42hls.

Affected products

• Axiosys BENTO4: version 1.5.1-627 only

Published 2019-01-02. Last modified 2026-06-17.