There is an illegal address access at asm/preproc.c (function: is_mmacro) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service (out-of-bounds array access) because a certain conversion can result in a negative integer.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19755.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "12.14-rc16" } ] } ]