Multiple stack-based buffer overflows in the WebLaunch.WeblaunchCtl.1 (aka CWebLaunchCtl) ActiveX control in weblaunch.ocx 1.0.0.1 in Gateway Weblaunch allow remote attackers to execute arbitrary code via a long string in the (1) second or (2) fourth argument to the DoWebLaunch method. NOTE: some of these details are obtained from third party information.