void DownloadManagerImpl::OnUrlDownloadStopped(UrlDownloadHandler* downloader) {
  for (auto ptr = url_download_handlers_.begin();
       ptr != url_download_handlers_.end(); ++ptr) {
    if (ptr->get() == downloader) {
      url_download_handlers_.erase(ptr);
      return;
    }
  }
}

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.