{"id":"CVE-2022-44566","aliases":["GHSA-579w-22j4-4749"],"url":"https://o3.security/vulnerability/CVE-2022-44566","summary":"Denial of Service Vulnerability in ActiveRecord's PostgreSQL adapter","details":"A denial of service vulnerability present in ActiveRecord's PostgreSQL adapter <7.0.4.1 and <6.1.7.1. When a value outside the range for a 64bit signed integer is provided to the PostgreSQL connection adapter, it will treat the target column type as numeric. Comparing integer values against numeric values can result in a slow sequential scan resulting in potential Denial of Service.","published":"2023-02-09T00:00:00Z","modified":"2026-09-09T03:30:48.926721121Z","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":1,"affectedPackages":[{"ecosystem":"RubyGems","name":"activerecord","fixedVersion":"6.1.7.1"},{"ecosystem":"RubyGems","name":"activerecord","fixedVersion":"7.0.4.1"}],"fix":null,"references":[{"type":"WEB","url":"https://code.jeremyevans.net/2022-11-01-forcing-sequential-scans-on-postgresql.html"},{"type":"WEB","url":"https://discuss.rubyonrails.org/t/cve-2022-44566-possible-denial-of-service-vulnerability-in-activerecords-postgresql-adapter/82119"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/44xxx/CVE-2022-44566.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-44566"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-09T03:30:48.926721121Z"}}