ColdFusion MX versions 6.0 and below suffer from a denial of service vulnerability when memory usage gets saturated due to an oversized string being returned as part of an error message.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/33099/cfdos.txt
Source: https://packetstormsecurity.com/files/33099/cfdos.txt.html