{"id":"CVE-2023-22792","aliases":["GHSA-p84v-45xj-wwqj"],"url":"https://o3.security/vulnerability/CVE-2023-22792","summary":"ReDoS based DoS vulnerability in Action Dispatch","details":"A regular expression based DoS vulnerability in Action Dispatch <6.0.6.1,< 6.1.7.1, and <7.0.4.1. Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.","published":"2023-02-09T00:00:00Z","modified":"2026-09-09T03:30:23.265366749Z","cvss":{"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"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"5.2.8.15"},{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"6.1.7.1"},{"ecosystem":"RubyGems","name":"actionpack","fixedVersion":"7.0.4.1"}],"fix":null,"references":[{"type":"WEB","url":"https://discuss.rubyonrails.org/t/cve-2023-22792-possible-redos-based-dos-vulnerability-in-action-dispatch/82115"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22792.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22792"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240202-0007/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5372"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-09T03:30:23.265366749Z"}}