Provide references for CVE-2021-25640.
Where can I find more information about CVE-2021-25640?
References are available at: https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org%3E, https://lists.apache.org/thread.html/re4cab8855361a454d2af106fb3dad76259e723015fd7e09cb4f9eb77%40%3Cdev.dubbo.apache.org%3E.