Unspecified vulnerability in an unspecified Microsoft API, as used by Cisco Unity and possibly other products, allows remote attackers to cause a denial of service by sending crafted packets to dynamic UDP ports, related to a "processing error."
https://exchange.xforce.ibmcloud.com/vulnerabilities/45746
http://www.vupen.com/english/advisories/2008/2771
http://www.voipshield.com/research-details.php?id=129
http://www.securityfocus.com/bid/31642
http://www.cisco.com/en/US/products/products_security_response09186a0080a0d861.html