- http://www.cvedetails.com/product/22568/Rubyonrails-Ruby-On-...
- http://www.cvedetails.com/vulnerability-list/vendor_id-12043...
Django: http://www.cvedetails.com/product/18211/Djangoproject-Django...
PHP: http://www.cvedetails.com/product/128/PHP-PHP.html?vendor_id...
JRE: http://www.cvedetails.com/product/19117/Oracle-JRE.html?vend...
.Net: http://www.cvedetails.com/product/2002/Microsoft-.net-Framew...
Picking on it for having vulnerabilities without providing something in the way of a comparison is not very meaningful.