Cisco TelePresence Multipoint Switch (CTMS) devices with software 1.0.x, 1.1.x, 1.5.x, and 1.6.x allow remote attackers to cause a denial of service (process crash) via a crafted Real-Time Transport Control Protocol (RTCP) UDP packet, aka Bug ID CSCth60993.
https://exchange.xforce.ibmcloud.com/vulnerabilities/65622
http://www.securitytracker.com/id?1025113
http://www.securityfocus.com/bid/46520
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b6e14e.shtml