Provide references for CVE-2011-2726.
Where can I find more information about CVE-2011-2726?
References are available at: https://security-tracker.debian.org/tracker/CVE-2011-2726, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2726, https://access.redhat.com/security/cve/cve-2011-2726, http://www.openwall.com/lists/oss-security/2012/03/19/10, http://www.openwall.com/lists/oss-security/2012/03/20/14, https://www.drupal.org/node/1231510.