In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pp_verror in asm/preproc.c that will cause denial of service. Upstream bug: https://bugzilla.nasm.us/show_bug.cgi?id=3392427
Created nasm tracking bugs for this issue: Affects: fedora-all [bug 1529336]