Provide references for CVE-2009-4492.
Where can I find more information about CVE-2009-4492?
References are available at: http://www.ruby-lang.org/en/news/2010/01/10/webrick-escape-sequence-injection, http://www.redhat.com/support/errata/RHSA-2011-0909.html, http://secunia.com/advisories/37949, http://www.vupen.com/english/advisories/2010/0089, http://www.redhat.com/support/errata/RHSA-2011-0908.html, http://www.ush.it/team/ush/hack_httpd_escape/adv.txt, http://www.securityfocus.com/bid/37710, http://www.securityfocus.com/archive/1/508830/100/0/threaded, http://securitytracker.com/id?1023429.