{"action":"Upgrade grub2 to 2.04-16 or later.","affected":[{"fixed":"2.04-16","introduced":"0"}],"component":"grub2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.04-16"],"id":"tcs_01M5NFAXVTC4A7R86RR06BJ0SC","modified_at":"2026-10-23T18:04:48.904628912Z","published_at":"2021-03-03T17:15:11.973Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-20225","https://security-tracker.debian.org/tracker/CVE-2021-20225"],"severity":{"label":"medium","score":6.7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-20225#Debian:13/grub2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-20225"}],"summary":"A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific s"}