{"action":"Upgrade nasm to 2.16.01-1 or later.","affected":[{"fixed":"2.16.01-1","introduced":"0"}],"component":"nasm","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.16.01-1"],"id":"tcs_01M5NES4QPCM40JVCTMGXMPB6P","modified_at":"2026-09-11T11:02:08.922074991Z","published_at":"2023-08-22T19:16:13.803Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-21528","https://security-tracker.debian.org/tracker/CVE-2020-21528"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-21528#Debian:14/nasm","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-21528"}],"summary":"A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file."}