cisco-sa-20160406-cts

A vulnerability in Cisco TelePresence Server devices running software versions 3.0 through 4.2(4.18) could allow an unauthenticated, remote attacker to cause a kernel panic on the device. The vulnerability exists due to a failure to properly handle a specially crafted stream of IPv6 packets. A successful exploit could allow an attacker to cause a kernel panic, rebooting the device. Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are available.