{"action":"Upgrade nasm to 2.15.04-1 or later.","affected":[{"fixed":"2.15.04-1","introduced":"0"}],"component":"nasm","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.15.04-1"],"id":"tcs_01M5NDAYDQNH300ZT1KASCSDFA","modified_at":"2026-10-23T18:03:56.822430677Z","published_at":"2018-12-28T16:29:04.377Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-20535","https://security-tracker.debian.org/tracker/CVE-2018-20535"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-20535#Debian:13/nasm","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-20535"}],"summary":"There is a use-after-free at asm/preproc.c (function pp_getline) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service during a line-number increment attempt."}