The update, Firefox version 18.104.22.168, patches a total of eight security vulnerabilities. One is deemed "critical" by Mozilla, four are rated "moderate" risk, and three are tagged "low" risk. The more serious flaws could let an attacker take over a system running a vulnerable version of Firefox, according to Mozilla's security alerts.
Among the issues tackled is a problem, which concerns Web pages with an extremely long title that could cause Firefox to crash.
Aside from the security fixes, the update delivers improved stability and support for the Mac OS X platform, according to the release notes. Users of Firefox 1.5, , can upgrade to the new version using the automatic update feature, or it can be manually downloaded from a Mozilla site.