{"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:14","exploited":false,"fixed_versions":["2.04-16"],"id":"tcs_01M5NFB0EZ4CFMRMRT5WGWWP79","modified_at":"2026-10-23T18:03:10.279759822Z","published_at":"2021-03-03T17:15:12.037Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-20233","https://security-tracker.debian.org/tracker/CVE-2021-20233"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-20233#Debian:14/grub2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-20233"}],"summary":"A flaw was found in grub2 in versions prior to 2.06. Setparam_prefix() in the menu rendering code performs a length calculation on the assumption that expressing a quoted single quote will require 3 c"}