void RenderFrameImpl::OnCustomContextMenuAction(
    const CustomContextMenuContext& custom_context,
    unsigned action) {
  if (custom_context.request_id) {
    ContextMenuClient* client =
        pending_context_menus_.Lookup(custom_context.request_id);
    if (client)
      client->OnMenuAction(custom_context.request_id, action);
  } else {
    render_view_->webview()->performCustomContextMenuAction(action);
  }
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.