Unspecified vulnerability in Best Practical Solutions RT 3.0.0 through 3.6.6 allows remote authenticated users to cause a denial of service (CPU or memory consumption) via unspecified vectors related to the Devel::StackTrace module for Perl.
The special handling of Exception::Class::Base objects was broken. This was exposed by the fact that Exception::Class 1.15 now uses Devel::StackTrace in a slightly different way than it did previously.