The CGI::Application module before 4.50_50 and 4.50_51 for Perl, when run modes are not specified, allows remote attackers to obtain sensitive information (web queries and environment details) via vectors related to the dump_html function.
https://rt.cpan.org/Public/Bug/Display.html?id=84403
https://github.com/markstos/CGI--Application/pull/15
https://exchange.xforce.ibmcloud.com/vulnerabilities/91735
https://bugzilla.redhat.com/show_bug.cgi?id=1067180
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=739505
http://www.securityfocus.com/bid/65687
http://openwall.com/lists/oss-security/2014/02/19/11
http://lists.fedoraproject.org/pipermail/package-announce/2014-March/129444.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-March/129436.html