No. 0.2.4 still has 8 tickets: https://trac.torproject.org/projects/tor/milestone/Tor%3A%200.2.4.x-final It was supposed to be released in March, so it's months behind schedule now. The major fix for this attack, a random salt for the descriptor ID, is scheduled for 0.2.5, which will probably come out a year from now.