A certain ActiveX control in adsiis.dll in Microsoft Internet Information Services (IIS) allows remote attackers to cause a denial of service (browser crash) via a long string in the second argument to the GetObject method. NOTE: this issue was disclosed by an unreliable researcher, so it might be incorrect.
https://exchange.xforce.ibmcloud.com/vulnerabilities/45584
https://euvd.enisa.europa.eu/vulnerability/EUVD-2008-4283
http://www.securityfocus.com/archive/1/496696/100/0/threaded