Versions of Firefox 3.6.x earlier than 3.6.17 are potentially affected by multiple vulnerabilities :
Multiple memory corruption issues could lead to arbitrary code execution. (MFSA2011-12)
Binary data 5901.prm
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0065
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0066
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0067
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0069
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0070
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0071
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0072
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0073
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0074
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0075
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0076
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0077
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0078
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0080
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0081
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1202
www.mozilla.org/security/announce/2011/mfsa2011-12.html
www.mozilla.org/security/announce/2011/mfsa2011-13.html
www.mozilla.org/security/announce/2011/mfsa2011-14.html
www.mozilla.org/security/announce/2011/mfsa2011-15.html
www.mozilla.org/security/announce/2011/mfsa2011-16.html
www.mozilla.org/security/announce/2011/mfsa2011-18.html
www.mozilla.org/security/known-vulnerabilities/firefox36.html#firefox3.6.17