CVE-2006-1670
Control cards for Cisco Optical Networking System (ONS) 15000 series nodes before 20060405 allow remote attackers to cause a denial of service (memory exhaustion and possibly card reset) by sending an invalid response when the final ACK is expected, aka bug ID CSCei45910.
Date published : 2006-04-07
http://www.securityfocus.com/bid/17384
http://www.cisco.com/warp/public/707/cisco-sa-20060405-ons.shtml