Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service (TCP outage) via a series of TCP sessions that have pending data and a (1) small or (2) zero receive window size, and remain in the FIN-WAIT-1 or FIN-WAIT-2 state indefinitely, aka "TCP/IP Orphaned Connections Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5965
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-048
http://www.us-cert.gov/cas/techalerts/TA09-251A.html
http://www.securityfocus.com/bid/36269
http://www.securityfocus.com/archive/1/506331/100/0/threaded
http://www.recurity-labs.com/content/pub/Microsoft_Windows_CVE-2009-1926