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/2010/mfsa2010-73.html http://www.vuxml.org/freebsd/c223b00d-e272-11df-8e32-000f20797ede.html

The following packages are affected: firefox libxul linux-firefox linux-firefox-devel linux-seamonkey linux-thunderbird seamonkey thunderbird CVE-2010-3765 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x before 2.0.10, when JavaScript is enabled, allows remote attackers to execute arbitrary code via vectors related to nsCSSFrameConstructor::ContentAppended, the appendChild method, incorrect index tracking, and the creation of multiple frames, which triggers memory corruption, as exploited in the wild in October 2010 by the Belmoo malware.