{"cve":"CVE-2024-25126","nvd":{"published":"2024-02-29T00:15:51.200","modified":"2026-06-17T07:15:33.473","status":"Analyzed","description":"Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack’s media type parser to take much longer than expected, leading to a possible denial of service vulnerability (ReDos 2nd degree polynomial). This vulnerability is patched in 3.0.9.1 and 2.2.8.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://discuss.rubyonrails.org/t/denial-of-service-vulnerability-in-rack-content-type-parsing/84941","https://github.com/rack/rack/commit/6efb2ceea003c4b195815a614e00438cbd543462","https://github.com/rack/rack/commit/d9c163a443b8cadf4711d84bd2c58cb9ef89cf49","https://github.com/rack/rack/security/advisories/GHSA-22f2-v57c-j9cx","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-25126.yml"],"products":["debian:debian_linux","rack:rack"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2024-25126","score":0.35376,"percentile":0.98447,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-22f2-v57c-j9cx","url":"https://osv.dev/vulnerability/GHSA-22f2-v57c-j9cx","summary":"Rack vulnerable to ReDoS in content type parsing (2nd degree polynomial)","modified":"2026-09-10T03:50:05.157621648Z","packages":[{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=3.0.0 <3.0.9.1"],"fixed":["3.0.9.1"]},{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=0.4 <2.2.8.1"],"fixed":["2.2.8.1"]}]}],"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."]}