Cisco IOS 12.0, 12.2, 12.4, 15.0, 15.1, 15.2, and 15.3 and IOS XE 2.x and 3.x before 3.7.4S; 3.2.xSE and 3.3.xSE before 3.3.2SE; 3.3.xSG and 3.4.xSG before 3.4.4SG; and 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S allow remote attackers to cause a denial of service (device reload) via malformed RSVP packets, aka Bug ID CSCui11547.
https://exchange.xforce.ibmcloud.com/vulnerabilities/96178
http://www.securitytracker.com/id/1030893
http://www.securityfocus.com/bid/70183
http://www.securityfocus.com/bid/70131
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-rsvp