Cisco IOS 12.2 and 15.0 through 15.3 and IOS XE 3.1 through 3.9 allow remote attackers to cause a denial of service (device restart) via a crafted IPv4 Multicast Source Discovery Protocol (MSDP) Source-Active (SA) message, aka Bug ID CSCud36767.
http://www.securitytracker.com/id/1036914
http://www.securityfocus.com/bid/93211
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-msdp