The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://www.mozilla.org/security/announce/2008/mfsa2008-47.html http://www.mozilla.org/security/announce/2008/mfsa2008-48.html http://www.mozilla.org/security/announce/2008/mfsa2008-49.html http://www.mozilla.org/security/announce/2008/mfsa2008-50.html http://www.mozilla.org/security/announce/2008/mfsa2008-51.html http://www.mozilla.org/security/announce/2008/mfsa2008-52.html http://www.mozilla.org/security/announce/2008/mfsa2008-53.html http://www.mozilla.org/security/announce/2008/mfsa2008-54.html http://www.mozilla.org/security/announce/2008/mfsa2008-55.html http://www.mozilla.org/security/announce/2008/mfsa2008-56.html http://www.mozilla.org/security/announce/2008/mfsa2008-57.html http://www.mozilla.org/security/announce/2008/mfsa2008-58.html http://www.vuxml.org/freebsd/f29fea8f-b19f-11dd-a55e-00163e000016.html

The following packages are affected: firefox linux-firefox seamonkey linux-seamonkey thunderbird linux-thunderbird