Mozilla has released the 18th and final stability and security update for the Firefox 3 browser.
For more information about What’s New in Firefox 3.0.18, check out the Firefox 3.0.18 Release Notes. Current Firefox 3 users may obtain Firefox 3.0.18 manually via the Check for Updates… option from the Help menu. Automatic upgrade (for those who have this feature enabled) should occur within the next 24-48 hours. Alternatively, users may also download Firefox 3.0.18 directly via getfirefox.com
IMPORTANT: Firefox 3.0 shall no longer be supported soon. Users should upgrade to Firefox 3.5 or 3.6 for continued support.