{"schema_version":1,"title":"X.org Xorg-Server vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in X.org Xorg-Server: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-56000, was published on 8 July 2026.","url":"https://junglewise.ai/threats/technologies/xorg-server","json_url":"https://junglewise.ai/threats/technologies/xorg-server.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/xorg-server","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":5},"latest":[{"cve":"CVE-2026-56000","cvss":9,"slug":"cve-2026-56000-x-org-xorg-server-and-xwayland-heap-use-after-free-in-glx","title":"X.Org xorg-server and xwayland heap use-after-free in GLX CommonMakeCurrent","severity":"info","exploited":false,"published_at":"2026-07-08T09:16:29.923+00:00","url":"https://junglewise.ai/threats/cve-2026-56000-x-org-xorg-server-and-xwayland-heap-use-after-free-in-glx"},{"cve":"CVE-2026-55999","cvss":8.5,"slug":"cve-2026-55999-x-org-xorg-server-and-xwayland-heap-buffer-overflow-in-glamor","title":"X.Org xorg-server and xwayland heap buffer overflow in glamor font atlas","severity":"high","exploited":false,"published_at":"2026-07-08T09:16:29.8+00:00","url":"https://junglewise.ai/threats/cve-2026-55999-x-org-xorg-server-and-xwayland-heap-buffer-overflow-in-glamor"},{"cve":"CVE-2026-50263","cvss":5.5,"slug":"cve-2026-50263-x-org-x-server-and-xwayland-use-after-free-in-createsaverwindow","title":"X.Org X server and Xwayland use-after-free in CreateSaverWindow","severity":"medium","exploited":false,"published_at":"2026-06-05T12:16:39.927+00:00","url":"https://junglewise.ai/threats/cve-2026-50263-x-org-x-server-and-xwayland-use-after-free-in-createsaverwindow"},{"cve":"CVE-2025-62230","cvss":7.3,"epss":0.0026,"slug":"cve-2025-62230-x-org-x-server-use-after-free-in-xkb-client-resource-removal","title":"X.Org X server use-after-free in Xkb client resource removal","severity":"high","exploited":false,"published_at":"2025-10-30T06:15:45.593+00:00","url":"https://junglewise.ai/threats/cve-2025-62230-x-org-x-server-use-after-free-in-xkb-client-resource-removal"},{"cve":"CVE-2025-62231","cvss":7.3,"epss":0.0027,"slug":"cve-2025-62231-x-org-x-server-integer-overflow-in-xkbsetcompatmap","title":"X.Org X server integer overflow in XkbSetCompatMap","severity":"high","exploited":false,"published_at":"2025-10-30T05:15:39.12+00:00","url":"https://junglewise.ai/threats/cve-2025-62231-x-org-x-server-integer-overflow-in-xkbsetcompatmap"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"X.org libXfont2","slug":"libxfont2","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/libxfont2"}],"technology":{"hub":true,"name":"X.org Xorg-Server","slug":"xorg-server","vendor":{"name":"X.org","slug":"x-org","url":"https://junglewise.ai/threats/vendors/x-org"},"aliases":[],"category":"web-server","homepage":"https://www.x.org/","repo_url":"https://gitlab.freedesktop.org/xorg/xserver","description":"X.Org Server is the free and open-source implementation of the X Window System display server.","url":"https://junglewise.ai/threats/technologies/xorg-server"},"most_severe":[{"cve":"CVE-2026-55999","cvss":8.5,"slug":"cve-2026-55999-x-org-xorg-server-and-xwayland-heap-buffer-overflow-in-glamor","title":"X.Org xorg-server and xwayland heap buffer overflow in glamor font atlas","severity":"high","exploited":false,"published_at":"2026-07-08T09:16:29.8+00:00","url":"https://junglewise.ai/threats/cve-2026-55999-x-org-xorg-server-and-xwayland-heap-buffer-overflow-in-glamor"},{"cve":"CVE-2025-62231","cvss":7.3,"epss":0.0027,"slug":"cve-2025-62231-x-org-x-server-integer-overflow-in-xkbsetcompatmap","title":"X.Org X server integer overflow in XkbSetCompatMap","severity":"high","exploited":false,"published_at":"2025-10-30T05:15:39.12+00:00","url":"https://junglewise.ai/threats/cve-2025-62231-x-org-x-server-integer-overflow-in-xkbsetcompatmap"},{"cve":"CVE-2025-62230","cvss":7.3,"epss":0.0026,"slug":"cve-2025-62230-x-org-x-server-use-after-free-in-xkb-client-resource-removal","title":"X.Org X server use-after-free in Xkb client resource removal","severity":"high","exploited":false,"published_at":"2025-10-30T06:15:45.593+00:00","url":"https://junglewise.ai/threats/cve-2025-62230-x-org-x-server-use-after-free-in-xkb-client-resource-removal"},{"cve":"CVE-2026-50263","cvss":5.5,"slug":"cve-2026-50263-x-org-x-server-and-xwayland-use-after-free-in-createsaverwindow","title":"X.Org X server and Xwayland use-after-free in CreateSaverWindow","severity":"medium","exploited":false,"published_at":"2026-06-05T12:16:39.927+00:00","url":"https://junglewise.ai/threats/cve-2026-50263-x-org-x-server-and-xwayland-use-after-free-in-createsaverwindow"},{"cve":"CVE-2026-56000","cvss":9,"slug":"cve-2026-56000-x-org-xorg-server-and-xwayland-heap-use-after-free-in-glx","title":"X.Org xorg-server and xwayland heap use-after-free in GLX CommonMakeCurrent","severity":"info","exploited":false,"published_at":"2026-07-08T09:16:29.923+00:00","url":"https://junglewise.ai/threats/cve-2026-56000-x-org-xorg-server-and-xwayland-heap-use-after-free-in-glx"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}