Firefox 1.5.0.1 is a stability and security update for customers. Mozilla recommends
that all users upgrade to this latest version.
* Improved stability.
* Improved support for Mac OS X.
* International Domain Name support for Iceland (.is) is now enabled.
* Fixes for several memory leaks.
* Several security enhancements.

Download:

Firefox 1.5.0.1 For Windows
http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/1.5.0.1/win32/en-US/Firefox%20Setup%201.5.0.1.exe

MAC X OS
http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/1.5.0.1/mac/en-US/Firefox%201.5.0.1.dmg

Linux
http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/1.5.0.1/linux-i686/en-US/firefox-1.5.0.1.tar.gz