IOS XR

DATE	CVE	VULNERABILITY TITLE	RISK
2006-04-20	CVE-2006-1928	Denial of Service vulnerability in Cisco IOS XR MPLS Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS-1 routers, allows remote attackers to cause a denial of service (Modular Services Cards (MSC) crash or "MPLS packet handling problems") via certain MPLS packets, as identified by Cisco bug IDs (1) CSCsd15970 and (2) CSCsd55531. network low complexity cisco	5.0
2006-04-20	CVE-2006-1927	Denial of Service vulnerability in Cisco IOS XR MPLS Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS-1 or Cisco 12000 series routers, allows remote attackers to cause a denial of service (Line card crash) via certain MPLS packets, as identified by Cisco bug ID CSCsc77475. network low complexity cisco	5.0
2005-08-03	CVE-2005-2451	Unspecified vulnerability in Cisco IOS and IOS XR Cisco IOS 12.0 through 12.4 and IOS XR before 3.2, with IPv6 enabled, allows remote attackers on a local network segment to cause a denial of service (device reload) and possibly execute arbitrary code via a crafted IPv6 packet. local low complexity cisco	2.1