{"cve":"CVE-2015-7581","nvd":{"published":"2016-02-16T02:59:04.877","modified":"2026-06-17T00:32:47.493","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-399"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html","http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html","http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html","http://rhn.redhat.com/errata/RHSA-2016-0296.html"],"products":["rubyonrails:rails"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2015-7581","score":0.06715,"percentile":0.93924,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9h6g-gp95-x3q5","url":"https://osv.dev/vulnerability/GHSA-9h6g-gp95-x3q5","summary":"actionpack is vulnerable to denial of service because of a wildcard controller route","modified":"2024-11-29T05:40:56.038460Z","packages":[{"ecosystem":"RubyGems","name":"actionpack","purl":"pkg:gem/actionpack","ranges":[">=4.0.0 <4.2.5.1"],"fixed":["4.2.5.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}