NASM nasm-2.13.03 nasm- 2.14rc15 version 2.14rc15 and earlier contains a memory corruption of nasm when handling a crafted file due to function assemble_file at asm/nasm.c:482. vulnerability in function assemble_file at asm/nasm.c:482. that can result in aborting/crash nasm program. This attack appear to be exploitable via a specially crafted asm file..