Let's see what google is asking in case you want to recover your gmail account by "forget password" section;
And what does google ask in case you want to recover from "Forget account details";
Here is the bug; if an attacker changes name, surname, recovery e-mail and also changes the security question, there is no way for you to recover your email. You will also get banned every 5 try-outs to reach your own email.
This bug was confirmed.
Somebody said google is secure?
"What you look is me, what you see is you."
- Anonym