Provide references for CVE-2011-1491.
Where can I find more information about CVE-2011-1491?
References are available at: http://openwall.com/lists/oss-security/2011/03/24/3, http://trac.roundcube.net/changeset/4490, http://openwall.com/lists/oss-security/2011/03/24/4, http://openwall.com/lists/oss-security/2011/04/04/50, http://trac.roundcube.net/wiki/Changelog, https://exchange.xforce.ibmcloud.com/vulnerabilities/66815.