{"id":"CVE-2024-47220","aliases":["GHSA-6f62-3596-g6w7"],"url":"https://o3.security/vulnerability/CVE-2024-47220","summary":"HTTP Request Smuggling in ruby webrick","details":"An issue was discovered in the WEBrick toolkit through 1.8.1 for Ruby. It allows HTTP request smuggling by providing both a Content-Length header and a Transfer-Encoding header, e.g., \"GET /admin HTTP/1.1\\r\\n\" inside of a \"POST /user HTTP/1.1\\r\\n\" request. NOTE: the supplier's position is \"Webrick should not be used in production.\"","published":"2024-09-22T00:00:00Z","modified":"2026-07-23T03:56:25.623911253Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"webrick","fixedVersion":"1.8.2"}],"fix":{"url":"https://github.com/ruby/webrick/pull/146/commits/d88321da45dcd230ac2b4585cad4833d6d5e8841","label":"ruby/webrick#146"},"references":[{"type":"WEB","url":"https://github.com/ruby/webrick/pull/146/commits/d88321da45dcd230ac2b4585cad4833d6d5e8841"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47220.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-47220"},{"type":"REPORT","url":"https://github.com/ruby/webrick/issues/145"},{"type":"REPORT","url":"https://github.com/ruby/webrick/issues/145#issuecomment-2369994610"},{"type":"REPORT","url":"https://github.com/ruby/webrick/issues/145#issuecomment-2372838285"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-23T03:56:25.623911253Z"}}