CVE-2022-44566

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.

• CWE-400

• https://code.jeremyevans.net/2022-11-01-forcing-sequential-scans-on-postgresql.htmlExploit, Mitigation, Third Party Advisory
• https://discuss.rubyonrails.org/t/cve-2022-44566-possible-denial-of-service-vulnerability-in-activerecords-postgresql-adapter/82119Patch, Vendor Advisory
• https://code.jeremyevans.net/2022-11-01-forcing-sequential-scans-on-postgresql.htmlExploit, Mitigation, Third Party Advisory
• https://discuss.rubyonrails.org/t/cve-2022-44566-possible-denial-of-service-vulnerability-in-activerecords-postgresql-adapter/82119Patch, Vendor Advisory

Published

Feb 9, 2023

Last Modified

Jun 17, 2026

Status

Modified

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