Description: ytnef is Yeraze’s TNEF Stream Reader – for winmail.dat files. The complete ASan output of the issue: # ytnefprint $FILE ==12532==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000014 at pc 0x7f8e3c35544e bp 0x7ffeb883d890 sp 0x7ffeb883d888 READ of size 1 at 0x602000000014 … Continue reading ytnef: heap-based buffer overflow in SwapDWord (ytnef.c)