{"cve":"CVE-2015-3225","nvd":{"published":"2015-07-26T22:59:04.070","modified":"2026-06-17T00:25:34.453","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-19"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164173.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165180.html","http://lists.opensuse.org/opensuse-updates/2015-07/msg00040.html","http://lists.opensuse.org/opensuse-updates/2015-07/msg00043.html","http://lists.opensuse.org/opensuse-updates/2015-07/msg00044.html"],"products":["debian:debian_linux","opensuse:opensuse","rack_project:rack"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-3225","score":0.07991,"percentile":0.94759,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rgr4-9jh5-j4j6","url":"https://osv.dev/vulnerability/GHSA-rgr4-9jh5-j4j6","summary":"Rack vulnerable to Denial of Service via large parameter depth request","modified":"2024-12-03T06:08:44.186371Z","packages":[{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=1.5.0 <1.5.4"],"fixed":["1.5.4"]},{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=1.6.0 <1.6.2"],"fixed":["1.6.2"]},{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=1.4.0 <1.4.6"],"fixed":["1.4.6"]}]}],"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."]}