Cisco PIX and ASA appliances with 7.0 through 8.0 software, and Cisco Firewall Services Module (FWSM) 3.1(5) and earlier, allow remote attackers to cause a denial of service (device reload) via a crafted MGCP packet, aka CSCsi90468 (appliance) and CSCsi00694 (FWSM).
secunia.com/advisories/27193
secunia.com/advisories/27236
www.cisco.com/en/US/products/products_security_advisory09186a00808dda56.shtml
www.cisco.com/en/US/products/products_security_advisory09186a00808dda61.shtml
www.securityfocus.com/bid/26104
www.securityfocus.com/bid/26109
www.securitytracker.com/id?1018825
www.securitytracker.com/id?1018826
www.securitytracker.com/id?1018827
www.vupen.com/english/advisories/2007/3530
www.vupen.com/english/advisories/2007/3531
exchange.xforce.ibmcloud.com/vulnerabilities/37257
exchange.xforce.ibmcloud.com/vulnerabilities/37259