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.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Ruby
  • Rexml
Ruby-lang
  • Rexml

Configuration 1 [-]

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

No data.

References
Link Providers
https://github.com/ruby/rexml/commit/5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23 cve-icon cve-icon cve-icon
https://github.com/ruby/rexml/security/advisories/GHSA-c2f4-jgmc-q2r5 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-58767 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-58767 cve-icon
History

Tue, 30 Sep 2025 13:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

 cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Fri, 19 Sep 2025 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Ruby-lang
Ruby-lang rexml
CPEs cpe:2.3:a:ruby-lang:rexml:*:*:*:*:*:ruby:*:*
Vendors & Products Ruby-lang
Ruby-lang rexml
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

 cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Thu, 18 Sep 2025 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Ruby
Ruby rexml
Vendors & Products Ruby
Ruby rexml

Thu, 18 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}

threat_severity

Low

Wed, 17 Sep 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 17 Sep 2025 18:00:00 +0000

Type Values Removed Values Added
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.
Title REXML has a DoS condition when parsing malformed XML file
Weaknesses CWE-400
References
Metrics cvssV4_0

{'score': 1.2, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-09-17T17:45:58.118Z

Updated: 2025-09-17T17:54:00.334Z

Reserved: 2025-09-04T19:18:09.500Z

Link: CVE-2025-58767

cve-icon Vulnrichment

Updated: 2025-09-17T17:53:14.220Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-17T18:15:52.857

Modified: 2025-09-30T13:07:07.207

Link: CVE-2025-58767

cve-icon Redhat

Severity : Low

Publid Date: 2025-09-17T17:45:58Z

Links: CVE-2025-58767 - Bugzilla