{"id":"UBUNTU-CVE-2015-7581","details":"actionpack/lib/action_dispatch/routing/route_set.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use of a wildcard controller route.","modified":"2025-07-16T08:11:43.733367Z","published":"2016-02-16T02:59:00Z","withdrawn":"2025-07-18T16:43:17Z","upstream":["CVE-2015-7581"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-7581"},{"type":"REPORT","url":"https://marc.info/?l=oss-security&m=145375099828815&w=2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-7581"}],"affected":[{"package":{"name":"rails","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/rails@2:4.2.6-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:4.2.6-1"}]}],"versions":["2:4.1.10-1","2:4.2.5-1","2:4.2.5.1-1","2:4.2.5.2-2"],"ecosystem_specific":{"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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-7581.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}