Cisco Adaptive Security Appliances (ASA) 5500 series devices with software before 8.2(3) allow remote attackers to cause a denial of service (ASDM syslog outage) via a long URL, aka Bug IDs CSCsm11264 and CSCtb92911.
The Cisco Firewall Services Module (FWSM) 4.0 before 4.0(8), as used in for the Cisco Catalyst 6500 switches, Cisco 7600 routers, and ASA 5500 Adaptive Security Appliances, allows remote attackers to cause a denial of service (crash) via a malformed Skinny Client Control Protocol (SCCP) message.