{"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_01M5NRRS9Q2DDHZ1HZN1N7N6VP","modified_at":"2026-10-27T10:00:59.349295757Z","published_at":"2026-04-23T16:16:24.920Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-34003","https://security-tracker.debian.org/tracker/CVE-2026-34003"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-34003","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-34003"}],"summary":"A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerabil"}