Cisco IOS XR Software Crafted IPv6 Packet Denial of Service Vulnerability

A vulnerability in the IP version 6 IPv6 processing code of Cisco IOS XR Software for Cisco CRS-3 Carrier Routing System could allow an unauthenticated, remote attacker to trigger an ASIC scan of the Network Processor Unit NPU and a reload of the line card processing an IPv6 packet. The...

Cisco IOS XR Software Malformed MPLS Packet Denial of Service Vulnerability

A vulnerability in parsing of malformed Multiprotocol Label Switching MPLS packets in Cisco IOS XR Software for Cisco Network Convergence System 6000 Series Routers could allow an unauthenticated, adjacent attacker to cause a lockup and eventual reload of a network processor unit NPU and a line...

PT-2014-5269

Name of the Vulnerable Software and Affected Versions Cisco IOS XR versions 5.1 and earlier Description The issue allows remote attackers to cause a denial of service via a malformed MPLS packet. It is due to insufficient logic in parsing MPLS packets, which could allow an unauthenticated, adjace...