The remote host has a web browser installed that is vulnerable to multiple attack vectors..
Versions of Firefox 3.5.x earlier than 3.5.16 are potentially affected by multiple vulnerabilities : - Multiple memory corruption issues could lead to arbitrary code execution. (MFSA 2010-74) - On the Windows platform, when 'document.write()' is called with a very long string a buffer overflow could be triggered. (MFSA 2010-75) - A privilege escalation vulnerability exists with 'window.open' and the '<isindex>' element. (MFSA 2010-76) - Arbitrary code execution is possible when using HTML tags inside a XUL tree. (MFSA 2010-77) - Downloadable fonts could expose vulnerabilities in the underlying OS font code. (MFSA 2010-78) - A Java security bypass vulnerability when LiveConnect is loaded via a 'data:' URL meta refresh. (MFSA 2010-79) - A use-after-free error exists with nsDOMAttribute MutationObserver. (MFSA 2010-80) - An integer overflow exists n NewIdArray. (MFSA 2010-81) - It is possible to circumvent the fix for CVE-2010-0179. (MFSA 2010-82) - It is possible to spoof SSL in the location bar using the network error page. (MFSA 2010-83) - A cross-site scripting hazard exists in multiple character encodings. (MFSA 2010-84)