{"cve":"CVE-2022-44572","nvd":{"published":"2023-02-09T20:15:11.220","modified":"2026-06-17T05:08:32.737","status":"Modified","description":"A denial of service vulnerability in the multipart parsing component of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1 and 3.0.0.1 could allow an attacker tocraft input that can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted.","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","CWE-400"],"references":["https://hackerone.com/reports/1639882","https://security.netapp.com/advisory/ntap-20231208-0014/","https://www.debian.org/security/2023/dsa-5530","https://hackerone.com/reports/1639882","https://security.netapp.com/advisory/ntap-20231208-0014/"],"products":["rack:rack"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2022-44572","score":0.01617,"percentile":0.76037,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rqv2-275x-2jq5","url":"https://osv.dev/vulnerability/GHSA-rqv2-275x-2jq5","summary":"Denial of service via multipart parsing in Rack","modified":"2024-12-01T05:36:04.725362Z","packages":[{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=2.0.0 <2.0.9.2"],"fixed":["2.0.9.2"]},{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=2.1.0.0 <2.1.4.2"],"fixed":["2.1.4.2"]},{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=2.2.0.0 <2.2.6.1"],"fixed":["2.2.6.1"]},{"ecosystem":"RubyGems","name":"rack","purl":"pkg:gem/rack","ranges":[">=3.0.0.0 <3.0.4.1"],"fixed":["3.0.4.1"]}]}],"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."]}