BrowserCommandController::~BrowserCommandController() {
  sessions::TabRestoreService* tab_restore_service =
      TabRestoreServiceFactory::GetForProfileIfExisting(profile());
  if (tab_restore_service)
    tab_restore_service->RemoveObserver(this);
  profile_pref_registrar_.RemoveAll();
  local_pref_registrar_.RemoveAll();
  browser_->tab_strip_model()->RemoveObserver(this);
}

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.