{"id":"CVE-2006-5614","aliases":["EUVD-2006-5599","GHSA-pgw5-3h46-mwq2"],"status":"published","title":"Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet...","description":"Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.","severity":{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.79585,"percentile":0.99607,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2006-10-31T01:00:00Z","modified":"2026-06-16T22:31:32Z","exploits":[{"source":"exploitdb","id":"EDB-2672","title":"Microsoft Windows - NAT Helper Components 'ipnathlp.dll' Remote Denial of Service","type":"dos","platform":"windows","date":"2006-10-28","verified":true,"url":"https://www.exploit-db.com/exploits/2672"},{"source":"exploitdb","id":"EDB-2682","title":"Microsoft Windows - NAT Helper Components Remote Denial of Service","type":"dos","platform":"windows","date":"2006-10-30","verified":true,"url":"https://www.exploit-db.com/exploits/2682"},{"source":"metasploit","id":"auxiliary/dos/windows/nat/nat_helper","title":"Microsoft Windows NAT Helper Denial of Service","type":"auxiliary","date":"2006-10-26","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/dos/windows/nat/nat_helper"}],"products":[{"vendor":"microsoft","product":"windows_nt_helper_components"},{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"http://secunia.com/advisories/22592","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/20804","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://research.eeye.com/html/alerts/zeroday/20061028.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/2672","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://securitytracker.com/id?1017133","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/29917","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2006/4248","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.osvdb.org/30096","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-5614"},{"url":"https://github.com/advisories/GHSA-pgw5-3h46-mwq2"}],"sources":{"cve":[{"id":"CVE-2006-5614","description":"Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.","status":"published","published":"2006-10-31T01:00:00Z","modified":"2024-08-07T19:55:53.619Z","updated_at":"2026-11-02T14:33:48.500736Z"}],"euvd":[{"id":"EUVD-2006-5599","description":"Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.","status":"published","published":"2006-10-31T01:00:00Z","modified":"2024-08-07T19:55:53Z","updated_at":"2026-11-03T01:15:47.104165Z"}],"ghsa":[{"id":"GHSA-pgw5-3h46-mwq2","title":"Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet...","description":"Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.","status":"published","published":"2022-05-01T07:30:09Z","modified":"2023-01-31T05:02:35Z","updated_at":"2026-11-02T14:48:17.45489Z"}],"nvd":[{"id":"CVE-2006-5614","description":"Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.","status":"published","published":"2006-10-31T01:07:00Z","modified":"2026-06-16T22:31:32.277Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:01:07.481037Z"}]}}