lib/rack/utils.rb in Rack before 1.5.4 and 1.6.x before 1.6.2, as used with Ruby on Rails 3.x and 4.x and other products, allows remote attackers to cause a denial of service (SystemStackError) via a request with a large parameter depth.
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "1.6.4-3", "binary_name": "ruby-rack" } ] }