{"id":"CVE-2005-1649","aliases":["EUVD-2005-1651","GHSA-5c76-645p-3q47"],"status":"published","title":"The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned...","description":"The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, a variant of CVE-2005-0688 and a reoccurrence of the \"Land\" vulnerability (CVE-1999-0016).","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.21776,"percentile":0.97655,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2005-05-18T04:00:00Z","modified":"2026-06-16T22:13:26Z","exploits":[{"source":"exploitdb","id":"EDB-861","title":"Microsoft Windows XP/2003 - Remote Denial of Service","type":"dos","platform":"windows","date":"2005-03-07","verified":true,"url":"https://www.exploit-db.com/exploits/861"}],"products":[{"vendor":"microsoft","product":"windows_2003_server"},{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"http://www.ntbugtraq.com/default.aspx?pid=36\u0026sid=1\u0026A2=ind0505\u0026L=NTBUGTRAQ\u0026P=R409\u0026D=0\u0026F=N\u0026H=0\u0026O=D\u0026T=0","tags":["mailing-list","x_refsource_NTBUGTRAQ","x_transferred","Exploit","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2005/0559","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/bid/13658","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-1649"},{"url":"https://github.com/advisories/GHSA-5c76-645p-3q47"}],"sources":{"cve":[{"id":"CVE-2005-1649","description":"The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, a variant of CVE-2005-0688 and a reoccurrence of the \"Land\" vulnerability (CVE-1999-0016).","status":"published","published":"2005-05-18T04:00:00Z","modified":"2024-08-07T21:59:24.018Z","updated_at":"2026-11-02T14:33:39.586409Z"}],"euvd":[{"id":"EUVD-2005-1651","description":"The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, a variant of CVE-2005-0688 and a reoccurrence of the \"Land\" vulnerability (CVE-1999-0016).","status":"published","published":"2005-05-18T04:00:00Z","modified":"2024-08-07T21:59:24Z","updated_at":"2026-11-03T01:15:33.246394Z"}],"ghsa":[{"id":"GHSA-5c76-645p-3q47","title":"The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned...","description":"The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, a variant of CVE-2005-0688 and a reoccurrence of the \"Land\" vulnerability (CVE-1999-0016).","status":"published","published":"2022-05-01T02:00:40Z","modified":"2023-01-30T05:07:16Z","updated_at":"2026-11-02T14:47:39.812918Z"}],"nvd":[{"id":"CVE-2005-1649","description":"The IPv6 support in Windows XP SP2, 2003 Server SP1, and Longhorn, with Windows Firewall turned off, allows remote attackers to cause a denial of service (CPU consumption) via a TCP packet with the SYN flag set and the same destination and source address and port, a variant of CVE-2005-0688 and a reoccurrence of the \"Land\" vulnerability (CVE-1999-0016).","status":"published","published":"2005-05-18T04:00:00Z","modified":"2026-06-16T22:13:26.1Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:55.266741Z"}]}}