The latest Firefox updates fix Pwn2Own and other recently discovered security issues

https://www.mozilla.org/en-US/firefox/36.0.4/releasenotes/

* 36.0.4: Security fixes for issues disclosed at HP Zero Day Initiative’s Pwn2Own contest
* No longer accept insecure RC4 ciphers whenever possible
* Phasing out Certificates with 1024-bit RSA Keys
* 36.0.3: Security fixes for issues disclosed at HP Zero Day Initiative’s Pwn2Own contest