Inefficient Regular Expression Complexity Affecting ruby3.2-rubygem-bigdecimal package, versions <0:3.1.3-183.amzn2023.0.4


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.73% (51st percentile)

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  • Snyk IDSNYK-AMZN2023-RUBY32RUBYGEMBIGDECIMAL-9692483
  • published15 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 Amazon-Linux:2023 ruby3.2-rubygem-bigdecimal to version 0:3.1.3-183.amzn2023.0.4 or higher.
This issue was patched in ALAS2023-2025-929.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby3.2-rubygem-bigdecimal package and not the ruby3.2-rubygem-bigdecimal package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 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