Provide references for CVE-2011-1407.
Where can I find more information about CVE-2011-1407?
References are available at: http://www.ubuntu.com/usn/USN-1135-1, https://lists.exim.org/lurker/message/20110512.102909.8136175a.en.html, http://www.debian.org/security/2011/dsa-2236, https://lists.exim.org/lurker/message/20110509.091632.daed0206.en.html, http://www.securityfocus.com/bid/47836.