Three big security leaks were detected

In Firefox, three big security leaks were detected. The first allowed attackers to run javascript programs with administration rights on a computer and install malware. Another loophole in the memory management and a bug in processing SSL calls also allowed attackers to make users believe a normal website was a secure SSL one. The third hole allowed using a certification authority site to issue fake cerificates to any website thus making malicious sites look like safe home banking sites.

solution: version 3.5.2 fixes all these critically dangerous bugs