{"id":"CVE-2024-25126","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-25126","generatedAt":"2026-11-04T22:12:44.007Z","title":"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).","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.","published":"2024-02-29T00:15:51.000Z","lastModified":"2026-06-17T07:15:33.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-1333"],"affected":["rack/rack","debian/debian linux"],"epss":{"score":0.35376,"percentile":0.9845,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 35.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://discuss.rubyonrails.org/t/denial-of-service-vulnerability-in-rack-content-type-parsing/84941","tags":["Exploit","Vendor Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/rack/rack/commit/6efb2ceea003c4b195815a614e00438cbd543462","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/rack/rack/commit/d9c163a443b8cadf4711d84bd2c58cb9ef89cf49","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/rack/rack/security/advisories/GHSA-22f2-v57c-j9cx","tags":["Exploit","Vendor Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-25126.yml","tags":["Exploit","Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00022.html","tags":["Mailing List"],"source":"security-advisories@github.com"},{"url":"https://security.netapp.com/advisory/ntap-20240510-0005/","tags":["Third Party Advisory"],"source":"security-advisories@github.com"},{"url":"https://discuss.rubyonrails.org/t/denial-of-service-vulnerability-in-rack-content-type-parsing/84941","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/rack/rack/commit/6efb2ceea003c4b195815a614e00438cbd543462","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/rack/rack/commit/d9c163a443b8cadf4711d84bd2c58cb9ef89cf49","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/rack/rack/security/advisories/GHSA-22f2-v57c-j9cx","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-25126.yml","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00022.html","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20240510-0005/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-25126","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}