  void SimulateGestureEvent(WebInputEvent::Type type,
                            blink::WebGestureDevice sourceDevice) {
    SimulateGestureEventCore(
        SyntheticWebGestureEventBuilder::Build(type, sourceDevice));
  }

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.