{"action":"Upgrade xorg-server to 2:21.1.16-1 or later.","affected":[{"fixed":"2:21.1.16-1","introduced":"0"}],"component":"xorg-server","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2:21.1.16-1"],"id":"tcs_01M5NN7M30J55XFQ47RJP7VES1","modified_at":"2026-11-05T10:00:15.236238586Z","published_at":"2025-02-25T16:15:38.227Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-26594","https://security-tracker.debian.org/tracker/CVE-2025-26594"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-26594#Debian:13/xorg-server","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-26594"}],"summary":"A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed mem"}