Multiple stack-based buffer overflows in the IBM Lotus Domino Web Access ActiveX control, as provided by inotes6.dll, inotes6w.dll, dwa7.dll, and dwa7w.dll, in Domino 6.x and 7.x allow remote attackers to execute arbitrary code, as demonstrated by an overflow from a long General_ServerName property value when calling the InstallBrowserHelperDll function in the Upload Module in the dwa7.dwa7.1 control in dwa7w.dll 7.0.34.1.