CVE-2024-43398 Affecting rubygem-mysql2 package, versions <0:0.5.4-1.module_el9.1.0+8+503f6fbd


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.09% (27th percentile)

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  • Snyk IDSNYK-ALMALINUX9-RUBYGEMMYSQL2-10079043
  • published9 May 2025
  • disclosed18 Sept 2024

Introduced: 18 Sep 2024

CVE-2024-43398  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 rubygem-mysql2 to version 0:0.5.4-1.module_el9.1.0+8+503f6fbd or higher.
This issue was patched in ALSA-2025:4488.

NVD Description

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

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability.

CVSS Base Scores

version 3.1