Security update out for Firefox 1.5

Mozilla has released an update for Firefox 1.5 that fixes several security flaws and makes other changes aimed at improving the open-source Web browser.

The update, Firefox version 1.5.0.1, 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.