Hola! leyendo desarrollo web me encontré con este articulo..

Es un test de esos que nos encantan de testeo de vulnerabilidades hace los siguientes chequeos:

Mozilla crashes with evidence of memory corruption - passed
Internet Explorer bait & switch race condition - passed
Mozilla crashes with evidence of memory corruption - passed
Internet Explorer createTextRange arbitrary code execution - passed
Windows MDAC ADODB ActiveX control invalid length - passed
Adobe Flash Player video file parsing integer overflow - passed
XMLDOM substringData() heap overflow - passed
Mozilla crashes with evidence of memory corruption (rv:1.8.1.5) - passed
Opera JavaScript invalid pointer arbitrary code execution - passed
Apple QuickTime MOV file JVTCompEncodeFrame heap overflow - passed
Mozilla code execution via QuickTime Media-link files - passed
Mozilla crashes with evidence of memory corruption (rv:1.8.1.8) - passed
Mozilla memory corruption vulnerabilities (rv:1.8.1.10) - passed
Mozilla crashes with evidence of memory corruption (rv:1.8.1.12) - passed
Apple QuickTime 'QTPlugin.ocx' ActiveX Control Multiple Buffer Overflows - passed
Window location property cross-domain scripting - passed
Mozilla Firefox MathML integer overflow - passed
Internet Explorer XML nested SPAN elements memory corruption - passed


Son un total de 11 vulnerabilidades, principalmente para Firefox e IE.

Tanto Safari como Opera, en OS X, en mi caso han salidos ilesos a estos chequeos.

Les invito a que lo prueben y me cuenten que tal les fue..
http://bcheck.scanit.be/bcheck/

y ¡aguanten estos tests! jejeje

Saludos!