Provide references for CVE-2009-4023.
Where can I find more information about CVE-2009-4023?
References are available at: http://www.securityfocus.com/bid/37081, http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html, http://secunia.com/advisories/37458, http://www.openwall.com/lists/oss-security/2009/11/23/8, http://www.vupen.com/english/advisories/2009/3300, https://bugs.gentoo.org/show_bug.cgi?id=294256, http://pear.php.net/bugs/bug.php?id=16200&edit=12&patch=quick-fix&revision=1241757412, https://exchange.xforce.ibmcloud.com/vulnerabilities/54362, http://www.debian.org/security/2009/dsa-1938, http://secunia.com/advisories/37410, http://svn.php.net/viewvc/pear/packages/Mail/trunk/Mail/sendmail.php?r1=243717&r2=280134, http://pear.php.net/bugs/bug.php?id=16200.