In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pp_list_one_macro in asm/preproc.c that will lead to denial of service, related to mishandling of operand-type errors. Upstream bug: https://bugzilla.nasm.us/show_bug.cgi?id=3392433
Created nasm tracking bugs for this issue: Affects: fedora-all [bug 1529336]