CVE-2025-58767

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/ruby/rexml/commit/5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23	Patch
https://github.com/ruby/rexml/security/advisories/GHSA-c2f4-jgmc-q2r5	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ruby-lang:rexml:*:*:*:*:*:ruby:*:*

History

19 Sep 2025, 15:59

Type	Values Removed	Values Added
First Time		Ruby-lang rexml Ruby-lang
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~() https://github.com/ruby/rexml/commit/5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23 -~~	() https://github.com/ruby/rexml/commit/5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23 - Patch
References	~~() https://github.com/ruby/rexml/security/advisories/GHSA-c2f4-jgmc-q2r5 -~~	() https://github.com/ruby/rexml/security/advisories/GHSA-c2f4-jgmc-q2r5 - Vendor Advisory
CPE		cpe:2.3:a:ruby-lang:rexml::::::ruby::*

17 Sep 2025, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-09-17 18:15

Updated : 2025-09-19 15:59

NVD link : CVE-2025-58767

Mitre link : CVE-2025-58767

CVE.ORG link : CVE-2025-58767

JSON object : View

Products Affected

ruby-lang

rexml

CWE

CWE-400

Uncontrolled Resource Consumption

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