Inefficient Regular Expression Complexity Affecting ruby3.2 package, versions <3.2.3-1ubuntu0.24.04.3


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-UBUNTU2404-RUBY32-8309593
  • published5 Nov 2024
  • disclosed28 Oct 2024

Introduced: 28 Oct 2024

CVE-2024-49761  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Ubuntu:24.04 ruby3.2 to version 3.2.3-1ubuntu0.24.04.3 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.

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.

CVSS Scores

version 3.1