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.
Add an option to not store references to objects in stack frames. This can be important if you're expecting DESTROY to be called but a Devel::StackTraceFrame object is still holding a reference to your object(s). Based on discussion with Tatsuhiko Miyagawa.