Cisco IOS 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.3.xSE before 3.3.2SE, 3.3.xXO before 3.3.1XO, 3.5.xE before 3.5.2E, and 3.11.xS before 3.11.1S allow remote attackers to cause a denial of service (device reload) via malformed mDNS packets, aka Bug ID CSCul90866.
https://exchange.xforce.ibmcloud.com/vulnerabilities/96182
http://www.securitytracker.com/id/1030898
http://www.securityfocus.com/bid/70132
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-mdns