CVE-2025-27220 Affecting rubygem-mysql2-doc package, versions <0:0.5.4-1.module+el9.1.0+20815+286161bd


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.12% (33rd percentile)

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  • Snyk IDSNYK-ORACLE9-RUBYGEMMYSQL2DOC-10059991
  • published7 May 2025
  • disclosed4 Mar 2025

Introduced: 4 Mar 2025

CVE-2025-27220  (opens in a new tab)

How to fix?

Upgrade Oracle:9 rubygem-mysql2-doc to version 0:0.5.4-1.module+el9.1.0+20815+286161bd or higher.
This issue was patched in ELSA-2025-4488.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-mysql2-doc package and not the rubygem-mysql2-doc package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.

CVSS Base Scores

version 3.1