The RIP process in Cisco IOS XR allows remote attackers to cause a denial of service (process crash) via a crafted version-2 RIP packet, aka Bug ID CSCue46731.
Memory leak in the SNMP process in Cisco IOS XR allows remote attackers to cause a denial of service (memory consumption or process reload) by sending many port-162 UDP packets, aka Bug ID CSCug80345.
The SNMP module in Cisco IOS XR allows remote authenticated users to cause a denial of service (process restart) via crafted SNMP packets, aka Bug ID CSCue69472.
Memory leak in the SNMP module in Cisco IOS XR allows remote authenticated users to cause a denial of service (memory consumption and process restart) via crafted SNMP packets, aka Bug ID CSCue31546.
The traffic engineering (TE) processing subsystem in Cisco IOS XR allows remote attackers to cause a denial of service (process restart) via crafted TE packets, aka Bug ID CSCue04000.
Cisco IOS XR before 4.2.1 on ASR 9000 series devices and CRS series devices allows remote attackers to cause a denial of service (packet transmission outage) via a crafted packet, aka Bug IDs CSCty94537 and CSCtz62593.
Unspecified vulnerability in Cisco IOS 12.0 through 12.4, IOS XE 2.1.x through 2.3.x before 2.3.2, and IOS XR 3.2.x through 3.4.3, when Multiprotocol Label Switching (MPLS) and Label Distribution Protocol (LDP) are enabled, allows remote attackers to cause a denial of service (device reload or process restart) via a crafted LDP packet, aka Bug IDs CSCsz45567 and CSCsj25893.
Cisco IOS XR 3.8.1 and earlier allows remote attackers to cause a denial of service (process crash) via a long BGP UPDATE message, as demonstrated by a message with many AS numbers in the AS Path Attribute.
Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path.
Multiple unspecified vulnerabilities in the SSH server in Cisco IOS 12.4 allow remote attackers to cause a denial of service (device restart) via unknown vectors, aka Bug ID (1) CSCsk42419, (2) CSCsk60020, and (3) CSCsh51293.