radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in rx509parsealgorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGEDIRECTORYENTRYSECURITY.
radare2 4.5.0 misparses DWARF information in executable files, causing a segmentation fault in parsetypedef in typedwarf.c via a malformed DWATname in the .debuginfo section.