void RenderWidgetHostImpl::OnInputEventAckTimeout() {
  RendererIsUnresponsive(base::BindRepeating(
      &RenderWidgetHostImpl::RestartInputEventAckTimeoutIfNecessary,
      weak_factory_.GetWeakPtr()));
}

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.