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CVE-2024-41123 — Vulnerability in rexml — CVE Details

MEDIUM

REXML DoS vulnerability

Published August 1, 2024Updated September 10, 2026Source: osv

Summary

### Impact The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, `>]` and `]>`. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities. ### Patches The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities. ### Workarounds Don't parse untrusted XMLs. ### References * https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh : This is a similar vulnerability * https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8 : This is a similar vulnerability * https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41123/: An announce on www.ruby-lang.org

Advisory Timeline

  • First published August 1, 2024 (802 days ago).
  • Last revised September 10, 2026 — 769 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update rexml to 3.3.3 or later
gem install rexml -v 3.3.3

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
rexml
rubygems
3.1.7.3, 3.1.8, 3.1.9, 3.1.9.1 (+13 more)3.3.3

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-400
    Uncontrolled Resource ConsumptionMITRE
  • CWE-770
    Allocation of Resources Without LimitsMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Frequently Asked Questions

What is CVE-2024-41123?
REXML DoS vulnerability This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2024-41123?
CVE-2024-41123 affects rexml. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-41123 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-r55c-59qm-vjw6

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