Inefficient Regular Expression Complexity Affecting ruby package, versions <0:3.1.7-145.module+el8.10.0+90550+7d8a4a30


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.38% (59th percentile)

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  • Snyk IDSNYK-ORACLE8-RUBY-9789269
  • published23 Apr 2025
  • disclosed4 Mar 2025

Introduced: 4 Mar 2025

CVE-2025-27220  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Oracle:8 ruby to version 0:3.1.7-145.module+el8.10.0+90550+7d8a4a30 or higher.
This issue was patched in ELSA-2025-4063.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby package and not the ruby package as distributed by Oracle. See How to fix? for Oracle:8 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