CVE-2025-58767

REXML has a DoS condition when parsing malformed XML file

State: Published
Severity: 1.2 Low
Published: Sep 17, 2025
Updated: Sep 17, 2025
Reserved: Sep 4, 2025

Description

REXML is an XML toolkit for Ruby. The REXML gems from 3.3.3 to 3.4.1 has a DoS vulnerability when parsing XML containing multiple XML declarations. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities. The REXML gem 3.4.2 or later include the patches to fix these vulnerabilities.

Scores

CVSS	Score	Vector	Source
4.0	1.2 Low	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U	GitHub_M

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
rexmlruby	>= 3.3.3, < 3.4.2Affected

References

https://github.com/ruby/rexml/security/advisories/GHSA-c2f4-jgmc-q2r5
https://github.com/ruby/rexml/commit/5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23

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