system
Provide references for <CVE-2011-4972>.
user
Where can I find more information about <CVE-2011-4972>?
assistant
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.