Mozilla has released Firefox version 3.0.5 to address multiple security vulnerabilities.
version 3.0.5 can be downloaded from:
http://www.mozilla.com/
Details on the security vulnerabilties fixed in this release can be found at
http://www.mozilla.org/security/announce/2...fsa2008-60.html
http://www.mozilla.org/security/announce/2...fsa2008-63.html
http://www.mozilla.org/security/announce/2...fsa2008-64.html
http://www.mozilla.org/security/announce/2...fsa2008-65.html
http://www.mozilla.org/security/announce/2...fsa2008-66.html
http://www.mozilla.org/security/announce/2...fsa2008-67.html
http://www.mozilla.org/security/announce/2...fsa2008-68.html
http://www.mozilla.org/security/announce/2...fsa2008-69.html
If you are running Firefox 2 then the equivalent updates are available from:
http://www.mozilla.com/en-US/firefox/all-older.html