{"action":"Upgrade xorg-server to 2:21.1.7-3+deb12u13 or later.","affected":[{"fixed":"2:21.1.7-3+deb12u13","introduced":"0"}],"component":"xorg-server","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2:21.1.7-3+deb12u13"],"id":"tcs_01M5NSPQV3RJNH5FAWT1ZMDKAA","modified_at":"2026-10-01T03:03:24.857156866Z","published_at":"2026-06-05T12:16:39.770Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-50262","https://security-tracker.debian.org/tracker/CVE-2026-50262"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-50262","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-50262"}],"summary":"An out-of-bounds read flaw was found in the X.Org X server and Xwayland in __glXDisp_ChangeDrawableAttributes(). A wrong size validation check can read a client-controlled number of bytes, exceeding t"}