The Label Distribution Protocol (LDP) functionality in Cisco NX-OS allows remote attackers to cause a denial of service (temporary LDP session outage) via LDP discovery traffic containing malformed Hello messages, aka Bug ID CSCul88851.
https://exchange.xforce.ibmcloud.com/vulnerabilities/90623
http://www.securitytracker.com/id/1029691
http://www.securityfocus.com/bid/65074
http://tools.cisco.com/security/center/viewAlert.x?alertId=32532
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0677