http://www.mozilla.com/en-US/firefox/3.0.8/releasenotes/
two critical security bugs fixed, one of them is reported in the Pwn2Own contest 10 days ago.
3.0.x users should check for update from help menu. If you have auto update function on (default), you should be reminded soon.
Seamonkey 1.1.16 also released for one security bug fix. Pwn2Own bug does not affect Seamonkey nor firefox 2.x
two critical security bugs fixed, one of them is reported in the Pwn2Own contest 10 days ago.
3.0.x users should check for update from help menu. If you have auto update function on (default), you should be reminded soon.
Seamonkey 1.1.16 also released for one security bug fix. Pwn2Own bug does not affect Seamonkey nor firefox 2.x