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.
CVE-2024-49761 - High Severity Vulnerability
An XML toolkit for Ruby
Library home page: https://rubygems.org/gems/rexml-3.2.4.gem
Path to dependency file: /Gemfile.lock
Path to vulnerable library: /Gemfile.lock
Dependency Hierarchy: - danger-6.3.2.gem (Root Library) - kramdown-parser-gfm-1.1.0.gem - kramdown-2.3.1.gem - :x: **rexml-3.2.4.gem** (Vulnerable Library)
Found in HEAD commit: 81f8b3f5658022f994993a18a7653667705b7f6e
Found in base branch: master
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.
Publish Date: 2024-10-28
URL: CVE-2024-49761
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://www.cve.org/CVERecord?id=CVE-2024-49761
Release Date: 2024-10-28
Fix Resolution: rexml - 3.3.9