Buffer overflow in PerlIS.dll in Activestate ActivePerl 5.6.1.629 and earlier allows remote attackers to execute arbitrary code via an HTTP request for a long filename that ends in a .pl extension.
https://exchange.xforce.ibmcloud.com/vulnerabilities/7539
https://euvd.enisa.europa.eu/vulnerability/EUVD-2001-0799
http://www.securityfocus.com/bid/3526