annclist.exe in webTV for Windows allows remote attackers to cause a denial of service by via a large, malformed UDP packet to ports 22701 through 22705.Referenceshttp://www.securityfocus.com/bid/1671http://www.securityfocus.com/archive/1/81852https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-074https://exchange.xforce.ibmcloud.com/vulnerabilities/5216