Mozilla has released Firefox 3.0.6 to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code, obtain sensitive information, or conduct cross-site scripting attacks. As described in the Mozilla Foundation Security Advisories, some of these vulnerabilities may also affect Thunderbird and SeaMonkey.

US-CERT encourages users to do the following to help mitigate the risks:

• Review the Mozilla Foundation Security Advisory.
• Update to Firefox 3.0.6.
  

Read more: US-CERT Current Activity