Provide references for CVE-2011-2563.
Where can I find more information about CVE-2011-2563?
References are available at: http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml, http://www.securitytracker.com/id?1025969, http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f533.shtml.