Provide references for CVE-2016-6440.
Where can I find more information about CVE-2016-6440?
References are available at: http://www.securitytracker.com/id/1037005, https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161012-ucm, http://www.securityfocus.com/bid/93521.