How about this security test: http://bcheck.scanit.be/bcheck
Test results
Passed Mozilla crashes with evidence of memory corruption - passed
Passed Mozilla crashes with evidence of memory corruption - passed
Passed Adobe Flash Player video file parsing integer overflow - passed
Passed Mozilla crashes with evidence of memory corruption (rv:1.8.1.5) - passed
Passed Apple QuickTime MOV file JVTCompEncodeFrame heap overflow - passed
Passed Mozilla code execution via QuickTime Media-link files - passed
Passed Mozilla crashes with evidence of memory corruption (rv:1.8.1.8) - passed
Passed Mozilla memory corruption vulnerabilities (rv:1.8.1.10) - passed
Passed Mozilla crashes with evidence of memory corruption (rv:1.8.1.12) - passed
Passed Mozilla Firefox MathML integer overflow - passed
Congratulations! The test has found no vulnerabilities in your browser!
Firefox 4
