Apple Safari And Firefox
Apple has released Safari 4.0.3 for Windows and Mac OS X to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, obtain sensitive information, or spoof a website.
The Mozilla Foundation has released Firefox 3.0.13 and Firefox 3.5.2 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, display misleading SSL information about a web page, intercept and modify encrypted communication, execute arbitrary JavaScript with chrome privileges, or cause a denial-of-service condition.