Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5080
https://exchange.xforce.ibmcloud.com/vulnerabilities/31716
http://www.vupen.com/english/advisories/2007/0329
http://www.us-cert.gov/cas/techalerts/TA07-024A.html
http://www.securityfocus.com/bid/22208
http://www.kb.cert.org/vuls/id/217912
http://www.cisco.com/en/US/products/products_security_advisory09186a00807cb0e4.shtml
http://securitytracker.com/id?1017551