CVE-2015-4191
Cisco IOS XR 5.2.1 allows remote attackers to cause a denial of service (ipv6_io service reload) via a malformed IPv6 packet, aka Bug ID CSCuq95565.
Date published : 2015-06-18
http://www.securityfocus.com/bid/75260
http://tools.cisco.com/security/center/viewAlert.x?alertId=39383