void RenderFrameDevToolsAgentHost::DisconnectWebContents() {
  navigation_handles_.clear();
  SetFrameTreeNode(nullptr);
  scoped_refptr<RenderFrameDevToolsAgentHost> protect(this);
  UpdateFrameHost(nullptr);
  for (DevToolsSession* session : sessions())
    session->ResumeSendingMessagesToAgent();
}

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.