Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Affecting rexml package, versions >=3.3.3, <3.4.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-RUBY-REXML-12878608
- published18 Sept 2025
- disclosed17 Sept 2025
- creditSofia Aberegg
Introduced: 17 Sep 2025
NewCVE-2025-58767 (opens in a new tab)How to fix?
Upgrade rexml to version 3.4.2 or higher.
Overview
rexml is an An XML toolkit for Ruby.
Affected versions of this package are vulnerable to Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') due to parsing XML. An attacker can cause excessive resource consumption and disrupt service availability by submitting specially crafted XML files containing multiple XML declarations.