actionpack/lib/actiondispatch/routing/routeset.rb in Action Pack in Ruby on Rails 4.x before 4.2.5.1 and 5.x before 5.0.0.beta1.1 allows remote attackers to cause a denial of service (superfluous caching and memory consumption) by leveraging an application's use of a wildcard controller route.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "rails", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-actionmailer", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-actionpack", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-actionview", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-activejob", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-activemodel", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-activerecord", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-activesupport", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-rails", "binary_version": "2:4.2.6-1" }, { "binary_name": "ruby-railties", "binary_version": "2:4.2.6-1" } ] }