Tor and OpenSSL

“But the Tor client part is: Tor clients could possibly be induced to send sensitive information like “what sites you visited in this session” to your entry guards”

They know the sites your are visiting? What sensitive information they could know? And is the Tor clients in TBB package? When to used Tor client?

Tor Project’s TBB packages does come with Tor and would be vulnerable the same way system Tor would be vulnerable.

Also related:

What sensitive information they could know?