Bento4 1.5.1.0 has a NULL pointer dereference in AP4_DescriptorListWriter::Action in Core/Ap4Descriptor.h, related to AP4_IodsAtom::WriteFields in Core/Ap4IodsAtom.cpp, as demonstrated by mp4encrypt or mp4compact.Referenceshttps://github.com/axiomatic-systems/Bento4/issues/437https://github.com/axiomatic-systems/Bento4/issues/436
