Provide references for CVE-2011-4972.
Where can I find more information about CVE-2011-4972?
References are available at: https://drupal.org/node/1337006, http://www.openwall.com/lists/oss-security/2013/06/04/5, http://www.openwall.com/lists/oss-security/2013/06/04/7.