The original link is at: <a href="http://samy.pl/combobreaker/" rel="nofollow">http://samy.pl/combobreaker/</a>
A full explanation of the 3 vulnerabilities he's found is at: <a href="https://www.youtube.com/watch?v=qkolWO6pAL8&feature=youtu.be" rel="nofollow">https://www.youtube.com/watch?v=qkolWO6pAL8&feature=youtu.be</a>