{"schema_version":1,"title":"X.org vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 20 vulnerabilities in X.org: 6 in the last 7 days and 14 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-94281, was published on 24 September 2026. 2 technologies have a page of their own.","url":"https://junglewise.ai/threats/vendors/x-org","json_url":"https://junglewise.ai/threats/vendors/x-org.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/vendors/x-org","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":9,"all_time":20,"critical":3,"exploited":0,"last_7_days":6,"last_30_days":8,"last_90_days":14,"last_365_days":18},"latest":[{"cve":"CVE-2026-94281","cvss":6.5,"epss":0.002,"slug":"cve-2026-94281-an-out-of-bounds-read-in-libxi-s-xlistinputdevices-class-parsing","title":"libXi out-of-bounds read in XListInputDevices() class parsing","severity":"medium","exploited":false,"published_at":"2026-09-24T17:17:16.86+00:00","url":"https://junglewise.ai/threats/cve-2026-94281-an-out-of-bounds-read-in-libxi-s-xlistinputdevices-class-parsing"},{"cve":"CVE-2026-93544","cvss":6.5,"epss":0.0025,"slug":"cve-2026-93544-an-out-of-bounds-read-in-libxi-s-xi2-xiquerydevice-reply-parsing","title":"libXi out-of-bounds read in XI2 XIQueryDevice reply parsing","severity":"medium","exploited":false,"published_at":"2026-09-24T17:17:10.43+00:00","url":"https://junglewise.ai/threats/cve-2026-93544-an-out-of-bounds-read-in-libxi-s-xi2-xiquerydevice-reply-parsing"},{"cve":"CVE-2026-93543","cvss":7.4,"epss":0.0025,"slug":"cve-2026-93543-an-out-of-bounds-read-in-libxi-s-xi2-class-parser-in-libxi-before","title":"libXi out-of-bounds read in XI2 class parser","severity":"high","exploited":false,"published_at":"2026-09-24T17:17:10.307+00:00","url":"https://junglewise.ai/threats/cve-2026-93543-an-out-of-bounds-read-in-libxi-s-xi2-class-parser-in-libxi-before"},{"cve":"CVE-2026-93542","cvss":6.5,"epss":0.0025,"slug":"cve-2026-93542-an-out-of-bounds-read-in-libxi-s-xi2-class-parsing-via-size","title":"libXi out-of-bounds read in XI2 class parsing","severity":"medium","exploited":false,"published_at":"2026-09-24T17:17:10.183+00:00","url":"https://junglewise.ai/threats/cve-2026-93542-an-out-of-bounds-read-in-libxi-s-xi2-class-parsing-via-size"},{"cve":"CVE-2026-93541","cvss":6.5,"epss":0.0025,"slug":"cve-2026-93541-an-out-of-bounds-read-in-libxi-s-xquerydevicestate-in-libxi","title":"libXi out-of-bounds read in XQueryDeviceState","severity":"medium","exploited":false,"published_at":"2026-09-24T16:17:26.163+00:00","url":"https://junglewise.ai/threats/cve-2026-93541-an-out-of-bounds-read-in-libxi-s-xquerydevicestate-in-libxi"},{"cve":"CVE-2026-88806","cvss":7.5,"epss":0.0034,"slug":"cve-2026-88806-a-malicious-x-server-could-exploit-a-buffer-overflow-in-libx11","title":"libX11 buffer overflow in XkbGetMap key_sym_map handling","severity":"high","exploited":false,"published_at":"2026-09-21T14:17:22.273+00:00","url":"https://junglewise.ai/threats/cve-2026-88806-a-malicious-x-server-could-exploit-a-buffer-overflow-in-libx11"},{"cve":"CVE-2026-59679","cvss":9,"epss":0.004,"slug":"cve-2026-59679-libxfont2-out-of-bounds-heap-access-in-fs-read-glyphs","title":"libXfont2 out-of-bounds heap access in fs_read_glyphs()","severity":"critical","exploited":false,"published_at":"2026-09-10T09:17:02.883+00:00","url":"https://junglewise.ai/threats/cve-2026-59679-libxfont2-out-of-bounds-heap-access-in-fs-read-glyphs"},{"cve":"CVE-2026-44950","cvss":9,"epss":0.0044,"slug":"cve-2026-44950-x-org-libxfont2-heap-buffer-overflow-in-fs-read-glyphs","title":"X.Org libXfont2 heap buffer overflow in fs_read_glyphs","severity":"critical","exploited":false,"published_at":"2026-09-10T09:17:02.49+00:00","url":"https://junglewise.ai/threats/cve-2026-44950-x-org-libxfont2-heap-buffer-overflow-in-fs-read-glyphs"},{"cve":"CVE-2026-72693","cvss":7.8,"epss":0.0016,"slug":"cve-2026-72693-x-org-openvt-privilege-escalation-via-tty-ownership-race","title":"X.Org openvt privilege escalation via TTY ownership race condition","severity":"high","exploited":false,"published_at":"2026-08-11T09:17:14.34+00:00","url":"https://junglewise.ai/threats/cve-2026-72693-x-org-openvt-privilege-escalation-via-tty-ownership-race"},{"cve":"CVE-2026-56003","cvss":8.5,"slug":"cve-2026-56003-x-org-libxfont2-heap-buffer-overflow-in-computescaledproperties","title":"X.Org libXfont2 heap buffer overflow in ComputeScaledProperties","severity":"high","exploited":false,"published_at":"2026-07-08T10:16:23.577+00:00","url":"https://junglewise.ai/threats/cve-2026-56003-x-org-libxfont2-heap-buffer-overflow-in-computescaledproperties"},{"cve":"CVE-2026-56002","cvss":8.5,"slug":"cve-2026-56002-x-org-libxfont2-heap-buffer-overflow-in-pcfreadfont","title":"X.Org libXfont2 heap buffer overflow in pcfReadFont","severity":"high","exploited":false,"published_at":"2026-07-08T10:16:23.327+00:00","url":"https://junglewise.ai/threats/cve-2026-56002-x-org-libxfont2-heap-buffer-overflow-in-pcfreadfont"},{"cve":"CVE-2026-56001","cvss":8.5,"slug":"cve-2026-56001-x-org-libxfont2-heap-buffer-overflow-in-bitmapscalebitmaps","title":"X.Org libXfont2 heap buffer overflow in BitmapScaleBitmaps","severity":"high","exploited":false,"published_at":"2026-07-08T09:16:30.05+00:00","url":"https://junglewise.ai/threats/cve-2026-56001-x-org-libxfont2-heap-buffer-overflow-in-bitmapscalebitmaps"},{"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-2026-4367","cvss":5.5,"slug":"cve-2026-4367-x-org-libxpm-out-of-bounds-read-in-xpmnextword","title":"X.Org libXpm out-of-bounds read in xpmNextWord","severity":"medium","exploited":false,"published_at":"2026-06-16T19:16:59.233+00:00","url":"https://junglewise.ai/threats/cve-2026-4367-x-org-libxpm-out-of-bounds-read-in-xpmnextword"},{"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"},{"cve":"CVE-1999-0965","cvss":6.2,"slug":"cve-1999-0965-x-org-xterm-race-condition-in-logging-option","title":"X.Org xterm race condition in logging option","severity":"medium","exploited":false,"published_at":"1997-09-19T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0965-x-org-xterm-race-condition-in-logging-option"},{"cve":"CVE-1999-0526","cvss":10,"slug":"cve-1999-0526-x-org-x-server-access-control-bypass-via-insecure-xhost","title":"X.Org X Server access control bypass via insecure xhost configuration","severity":"critical","exploited":false,"published_at":"1997-07-01T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0526-x-org-x-server-access-control-bypass-via-insecure-xhost"}],"vendor":{"hub":true,"name":"X.org","slug":"x-org","homepage":"https://www.x.org/","description":"X.Org is an open-source project that maintains the X Window System implementation.","url":"https://junglewise.ai/threats/vendors/x-org"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":5},{"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":1},{"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":2,"exploited":0,"vulnerabilities":2},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":6}],"most_severe":[{"cve":"CVE-1999-0526","cvss":10,"slug":"cve-1999-0526-x-org-x-server-access-control-bypass-via-insecure-xhost","title":"X.Org X Server access control bypass via insecure xhost configuration","severity":"critical","exploited":false,"published_at":"1997-07-01T04:00:00+00:00","url":"https://junglewise.ai/threats/cve-1999-0526-x-org-x-server-access-control-bypass-via-insecure-xhost"},{"cve":"CVE-2026-44950","cvss":9,"epss":0.0044,"slug":"cve-2026-44950-x-org-libxfont2-heap-buffer-overflow-in-fs-read-glyphs","title":"X.Org libXfont2 heap buffer overflow in fs_read_glyphs","severity":"critical","exploited":false,"published_at":"2026-09-10T09:17:02.49+00:00","url":"https://junglewise.ai/threats/cve-2026-44950-x-org-libxfont2-heap-buffer-overflow-in-fs-read-glyphs"},{"cve":"CVE-2026-59679","cvss":9,"epss":0.004,"slug":"cve-2026-59679-libxfont2-out-of-bounds-heap-access-in-fs-read-glyphs","title":"libXfont2 out-of-bounds heap access in fs_read_glyphs()","severity":"critical","exploited":false,"published_at":"2026-09-10T09:17:02.883+00:00","url":"https://junglewise.ai/threats/cve-2026-59679-libxfont2-out-of-bounds-heap-access-in-fs-read-glyphs"},{"cve":"CVE-2026-56003","cvss":8.5,"slug":"cve-2026-56003-x-org-libxfont2-heap-buffer-overflow-in-computescaledproperties","title":"X.Org libXfont2 heap buffer overflow in ComputeScaledProperties","severity":"high","exploited":false,"published_at":"2026-07-08T10:16:23.577+00:00","url":"https://junglewise.ai/threats/cve-2026-56003-x-org-libxfont2-heap-buffer-overflow-in-computescaledproperties"},{"cve":"CVE-2026-56002","cvss":8.5,"slug":"cve-2026-56002-x-org-libxfont2-heap-buffer-overflow-in-pcfreadfont","title":"X.Org libXfont2 heap buffer overflow in pcfReadFont","severity":"high","exploited":false,"published_at":"2026-07-08T10:16:23.327+00:00","url":"https://junglewise.ai/threats/cve-2026-56002-x-org-libxfont2-heap-buffer-overflow-in-pcfreadfont"},{"cve":"CVE-2026-56001","cvss":8.5,"slug":"cve-2026-56001-x-org-libxfont2-heap-buffer-overflow-in-bitmapscalebitmaps","title":"X.Org libXfont2 heap buffer overflow in BitmapScaleBitmaps","severity":"high","exploited":false,"published_at":"2026-07-08T09:16:30.05+00:00","url":"https://junglewise.ai/threats/cve-2026-56001-x-org-libxfont2-heap-buffer-overflow-in-bitmapscalebitmaps"},{"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-2026-72693","cvss":7.8,"epss":0.0016,"slug":"cve-2026-72693-x-org-openvt-privilege-escalation-via-tty-ownership-race","title":"X.Org openvt privilege escalation via TTY ownership race condition","severity":"high","exploited":false,"published_at":"2026-08-11T09:17:14.34+00:00","url":"https://junglewise.ai/threats/cve-2026-72693-x-org-openvt-privilege-escalation-via-tty-ownership-race"},{"cve":"CVE-2026-88806","cvss":7.5,"epss":0.0034,"slug":"cve-2026-88806-a-malicious-x-server-could-exploit-a-buffer-overflow-in-libx11","title":"libX11 buffer overflow in XkbGetMap key_sym_map handling","severity":"high","exploited":false,"published_at":"2026-09-21T14:17:22.273+00:00","url":"https://junglewise.ai/threats/cve-2026-88806-a-malicious-x-server-could-exploit-a-buffer-overflow-in-libx11"},{"cve":"CVE-2026-93543","cvss":7.4,"epss":0.0025,"slug":"cve-2026-93543-an-out-of-bounds-read-in-libxi-s-xi2-class-parser-in-libxi-before","title":"libXi out-of-bounds read in XI2 class parser","severity":"high","exploited":false,"published_at":"2026-09-24T17:17:10.307+00:00","url":"https://junglewise.ai/threats/cve-2026-93543-an-out-of-bounds-read-in-libxi-s-xi2-class-parser-in-libxi-before"}],"generated_at":"2026-09-26T12:07:00.15149+00:00","technologies":[{"name":"X.org libXfont2","slug":"libxfont2","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/libxfont2"},{"name":"X.org Xorg-Server","slug":"xorg-server","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/xorg-server"}]}