Provide references for CVE-2013-6975.
Where can I find more information about CVE-2013-6975?
References are available at: http://tools.cisco.com/security/center/viewAlert.x?alertId=34260, http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6975, http://www.securityfocus.com/bid/67426.