Mozilla Foundation has released Firefox 3.0.11 to address multiple vulnerabilities. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code, mislead users, or obtain sensitive information. The Mozilla Foundation Security Advisories also indicate that many of these vulnerabilities also affect Thunderbird and SeaMonkey; however, updated versions of those packages are not currently available.

US-CERT encourages users to review the Mozilla Foundation Security Advisories released on June 11, 2009 and apply any necessary updates or workarounds to help mitigate the risks.

Read more: US-CERT Current Activity