bool BrowserCommandController::IsReservedCommandOrKey(
    int command_id,
    const content::NativeWebKeyboardEvent& event) {
  if (browser_->is_app())
    return false;

#if defined(OS_CHROMEOS)
  ui::KeyboardCode key_code =
      static_cast<ui::KeyboardCode>(event.windows_key_code);
  if ((key_code == ui::VKEY_BROWSER_BACK && command_id == IDC_BACK) ||
      (key_code == ui::VKEY_BROWSER_FORWARD && command_id == IDC_FORWARD) ||
      (key_code == ui::VKEY_BROWSER_REFRESH && command_id == IDC_RELOAD)) {
    return true;
  }
#endif

  if (window()->IsFullscreen()) {
    const bool is_exit_fullscreen =
        (command_id == IDC_EXIT || command_id == IDC_FULLSCREEN);
#if defined(OS_MACOSX)
    if (window()->IsToolbarShowing()) {
      if (command_id == IDC_FULLSCREEN)
        return true;
    } else {
      return is_exit_fullscreen;
    }
#else
    return is_exit_fullscreen;
#endif
  }

#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  ui::TextEditKeyBindingsDelegateAuraLinux* delegate =
      ui::GetTextEditKeyBindingsDelegate();
  if (delegate && event.os_event && delegate->MatchEvent(*event.os_event, NULL))
    return false;
#endif

  return command_id == IDC_CLOSE_TAB ||
         command_id == IDC_CLOSE_WINDOW ||
         command_id == IDC_NEW_INCOGNITO_WINDOW ||
         command_id == IDC_NEW_TAB ||
         command_id == IDC_NEW_WINDOW ||
         command_id == IDC_RESTORE_TAB ||
         command_id == IDC_SELECT_NEXT_TAB ||
         command_id == IDC_SELECT_PREVIOUS_TAB ||
         command_id == IDC_EXIT;
}

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.