{"action":"Upgrade xscreensaver to 5.45+dfsg1-2 or later.","affected":[{"fixed":"5.45+dfsg1-2","introduced":"0"}],"component":"xscreensaver","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.45+dfsg1-2"],"id":"tcs_01M5NFRM23N16SJ06WRXGTCQZ7","modified_at":"2026-10-23T18:03:15.109878794Z","published_at":"2021-06-10T16:15:08.227Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-34557","https://security-tracker.debian.org/tracker/CVE-2021-34557"],"severity":{"label":"medium","score":4.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-34557#Debian:14/xscreensaver","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-34557"}],"summary":"XScreenSaver 5.45 can be bypassed if the machine has more than ten disconnectable video outputs. A buffer overflow in update_screen_layout() allows an attacker to bypass the standard screen lock authe"}