{"action":"Upgrade xorg-server to 2:21.1.25-1 or later.","affected":[{"fixed":"2:21.1.25-1","introduced":"0"}],"component":"xorg-server","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2:21.1.25-1"],"id":"tcs_01M5NWWYJ868GW3WZTAT9RJJP0","modified_at":"2026-10-29T06:00:12.676836726Z","published_at":"2026-10-28T16:17:10.060Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-93521","https://security-tracker.debian.org/tracker/CVE-2026-93521"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-93521#Debian:14/xorg-server","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-93521"}],"summary":"A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X se"}