Provide references for CVE-2015-3391.
Where can I find more information about CVE-2015-3391?
References are available at: http://www.securityfocus.com/bid/72569, https://www.drupal.org/node/2420139, https://exchange.xforce.ibmcloud.com/vulnerabilities/100672, http://www.openwall.com/lists/oss-security/2015/02/05/16, https://www.drupal.org/node/2420121.