How severe is CVE-2022-23634?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.9 out of 10.

What type of vulnerability is CVE-2022-23634?

This is classified as CWE-200, which is a common weakness in software security.

CVE-2022-23634 - MEDIUM Severity | CVSS 5.9

Vulnerability Description

Puma is a Ruby/Rack web server built for parallelism. Prior to `puma` version `5.6.2`, `puma` may not always call `close` on the response body. Rails, prior to version `7.0.2.2`, depended on the response body being closed in order for its `CurrentAttributes` implementation to work correctly. The combination of these two behaviors (Puma not closing the body + Rails' Executor implementation) causes information leakage. This problem is fixed in Puma versions 5.6.2 and 4.3.11. This problem is fixed in Rails versions 7.02.2, 6.1.4.6, 6.0.4.6, and 5.2.6.2. Upgrading to a patched Rails _or_ Puma version fixes the vulnerability.

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