{"id":"CVE-2000-0491","aliases":["EUVD-2000-0489","GHSA-26q8-4547-5jf2"],"status":"published","title":"Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers...","description":"Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.17776,"percentile":0.97183,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2000-05-24T04:00:00Z","modified":"2026-06-16T21:51:50Z","exploits":[{"source":"exploitdb","id":"EDB-19947","title":"gdm 1.0.x/2.0.x BETA/2.2.0 - XDMCP Buffer Overflow (1)","type":"remote","platform":"linux","date":"2000-05-22","verified":true,"url":"https://www.exploit-db.com/exploits/19947"},{"source":"exploitdb","id":"EDB-19948","title":"gdm 1.0.x/2.0.x BETA/2.2.0 - XDMCP Buffer Overflow (2)","type":"remote","platform":"linux","date":"2000-05-22","verified":true,"url":"https://www.exploit-db.com/exploits/19948"}],"products":[{"vendor":"caldera","product":"openlinux"},{"vendor":"gnome","product":"gdm"},{"vendor":"suse","product":"suse_linux"}],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2000-06/0025.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/1279","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/bid/1370","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/bid/1233","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.novell.com/linux/security/advisories/suse_security_announce_49.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"ftp://ftp.calderasystems.com/pub/OpenLinux/security/CSSA-2000-013.0.txt","tags":["vendor-advisory","x_refsource_CALDERA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2000-05/0241.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-0491"},{"url":"https://github.com/advisories/GHSA-26q8-4547-5jf2"}],"sources":{"cve":[{"id":"CVE-2000-0491","description":"Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.","status":"published","published":"2000-07-12T04:00:00Z","modified":"2024-08-08T05:21:30.809Z","updated_at":"2026-11-02T14:33:41.23606Z"}],"euvd":[{"id":"EUVD-2000-0489","description":"Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.","status":"published","published":"2000-07-12T04:00:00Z","modified":"2024-08-08T05:21:30Z","updated_at":"2026-11-03T00:56:25.069165Z"}],"ghsa":[{"id":"GHSA-26q8-4547-5jf2","title":"Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers...","description":"Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.","status":"published","published":"2022-05-03T03:06:42Z","modified":"2023-02-01T05:00:58Z","updated_at":"2026-11-02T14:49:38.236988Z"}],"nvd":[{"id":"CVE-2000-0491","description":"Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.","status":"published","published":"2000-05-24T04:00:00Z","modified":"2026-06-16T21:51:50.913Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:51.654586Z"}]}}