CVE-2010-1562
The SIP implementation on the Cisco PGW 2200 Softswitch with software 9.7(3)S before 9.7(3)S9 and 9.7(3)P before 9.7(3)P9 allows remote attackers to cause a denial of service (device crash) via a malformed Contact header, aka Bug ID CSCsj98521.
Date published : 2010-05-14
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b2c519.shtml