{"action":"Upgrade xorg-server to 2:21.1.7-3+deb12u12 or later.","affected":[{"fixed":"2:21.1.7-3+deb12u12","introduced":"0"}],"component":"xorg-server","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2:21.1.7-3+deb12u12"],"id":"tcs_01M5NRRRP0VCDSJQVRQ89R846F","modified_at":"2026-10-01T03:02:38.506421374Z","published_at":"2026-05-05T16:16:11.787Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-34002","https://security-tracker.debian.org/tracker/CVE-2026-34002"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-34002","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-34002"}],"summary":"A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB (X Keyboard Extension) modifier map handling. An attacker with access to the X11 server can exploit t"}