Multiple stack-based buffer overflows in the Web Viewer ActiveX controls in CA Output Management Web Viewer 11.0 and 11.5 allow remote attackers to execute arbitrary code via (1) a long SRC property value to the PPSViewer ActiveX control in PPSView.ocx before 1.0.0.7 or (2) a long Title property value to the UOMWV_Helper ActiveX control in UOMWV_HelperActiveX.ocx before 11.5.0.1.