{"id":"CVE-2026-93515","revision":"09fecb53cb504ae8b60aa5f785fe8150","records":[{"revision":"09fecb53cb504ae8b60aa5f785fe8150","observedAt":"2026-10-28T13:46:48.782+00:00","statement":{"source":"cve-program","id":"CVE-2026-93515","aliases":[],"title":".Org Server Present Extension Use-After-Free","description":"A use-after-free in\u00A0present_clear_window_notifies()  in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context.","state":0,"publishedAt":"2026-10-28T12:39:44.89+00:00","modifiedAt":"2026-10-28T12:39:44.89+00:00","affected":[{"ecosystem":"Vendor product","name":"xorg-x11-server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"X.org\",\n                    \"product\": \"xorg-x11-server\",\n                    \"packageName\": \"xorg-x11-server\",\n                    \"repo\": \"https://gitlab.freedesktop.org/xorg/xserver\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"21.1.25\",\n                            \"versionType\": \"rpm\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"Vendor product","name":"xwayland","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"x.org\",\n                    \"product\": \"xwayland\",\n                    \"packageName\": \"xwayland\",\n                    \"repo\": \"https://gitlab.freedesktop.org/xorg/xserver\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"24.1.14\",\n                            \"versionType\": \"rpm\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.8,"severity":"MEDIUM"}],"references":["https://gitlab.freedesktop.org/xorg/xserver/-/commit/1b6955c3108e6b43433aefe860070708e6f43d1b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93515","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93515","identifiers":["CVE-2026-93515"]},"retained":false,"historicalAffected":[]}],"coverage":[]}