Mozilla has updated Firefox to 3.0.9 version. You can use "Help -> Check for Updates" option to update your browser or it'll automatically notify you about the update very soon.

You can download its setup from following link:

Download Mozilla Firefox 3.0.9

This update fixes several security and stability issues. You can read about all changes at following link:

Firefox 3.0.9 Release Notes

You can also download using following link
Get Firefox

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