Multiple buffer overflows in BarCodeWiz BarCode before 6.7 ActiveX control (BarcodeWiz.DLL) allow remote attackers to execute arbitrary code via a long argument to the (1) BottomText or (2) TopText property.
http://packetstormsecurity.com/files/145731/BarcodeWiz-ActiveX-Control-Buffer-Overflow.html
http://hyp3rlinx.altervista.org/advisories/BARCODEWIZ-v6.7-ACTIVEX-COMPONENT-BUFFER-OVERFLOW.txt