Provide references for CVE-2010-4221.
Where can I find more information about CVE-2010-4221?
References are available at: http://www.proftpd.org/docs/NEWS-1.3.3c, http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050687.html, http://www.zerodayinitiative.com/advisories/ZDI-10-229/, http://secunia.com/advisories/42217, http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050703.html, http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050726.html, http://www.vupen.com/english/advisories/2010/2941, http://www.vupen.com/english/advisories/2010/2962, http://secunia.com/advisories/42052, http://bugs.proftpd.org/show_bug.cgi?id=3521, http://www.mandriva.com/security/advisories?name=MDVSA-2010:227, http://www.securityfocus.com/bid/44562, http://www.vupen.com/english/advisories/2010/2959.