Inefficient Regular Expression Complexity Affecting ruby3.2 package, versions <3.2.3-1ubuntu0.24.04.5


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.57% (68th percentile)

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  • Snyk IDSNYK-UBUNTU2404-RUBY32-9212737
  • published7 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 Ubuntu:24.04 ruby3.2 to version 3.2.3-1ubuntu0.24.04.5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby3.2 package and not the ruby3.2 package as distributed by Ubuntu. See How to fix? for Ubuntu:24.04 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