void BrowserCommandController::UpdateCommandsForZoomState() {
  WebContents* contents =
      browser_->tab_strip_model()->GetActiveWebContents();
  if (!contents)
    return;
  command_updater_.UpdateCommandEnabled(IDC_ZOOM_PLUS,
                                        CanZoomIn(contents));
  command_updater_.UpdateCommandEnabled(IDC_ZOOM_NORMAL,
                                        CanResetZoom(contents));
  command_updater_.UpdateCommandEnabled(IDC_ZOOM_MINUS,
                                        CanZoomOut(contents));
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.