CVE-2024-41123: Ruby-Lang Rexml

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

REXML is an XML toolkit for Ruby. 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 `]>`. The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.

Affected products

• Ruby-Lang Rexml: before 3.2.7 (fixed in 3.2.7); from 3.2.8, before 3.3.2 (fixed in 3.3.2)

Published 2024-08-01. Last modified 2026-06-17.