CVE-2009-2873
Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a denial of service (device reload) via malformed packets, aka Bug ID CSCsx70889.
Date published : 2009-09-28
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8115.shtml
http://tools.cisco.com/security/center/viewAlert.x?alertId=18895