Original Article : The Register
Its been reported that PHP has a major flaw in versions 5.2 & 5.3 that cause a really large floating number to cause the computer to use 100% CPU. Which means that you could take down a PHP web site with out having to use a DoS attack. This of course is reported as a problem for 32bit machines and not 64bit, The value as reported in The Register is 2.2250738585072011e-308
