Cisco Adaptive Security Appliance (ASA) Software, when a DHCPv6 relay is configured, allows remote attackers to cause a denial of service (device reload) via crafted DHCP packets on the local network, aka Bug ID CSCur45455.
https://tools.cisco.com/security/center/viewAlert.x?alertId=37022
https://exchange.xforce.ibmcloud.com/vulnerabilities/100549
http://www.securitytracker.com/id/1031542
http://www.securityfocus.com/bid/72718
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0578