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.

References

Affected packages

Debian:13 / ruby3.3

Package

Name: ruby3.3
Purl: pkg:deb/debian/ruby3.3?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.3.8-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:14 / ruby3.3

Package

Name: ruby3.3
Purl: pkg:deb/debian/ruby3.3?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.3.8-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / github.com/ruby/rexml

Affected ranges

Type: GIT
Repo: https://github.com/ruby/rexml
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23

Affected versions

v3.*

v3.1.8

v3.1.9

v3.2.0

v3.2.1

v3.2.2

v3.2.3

v3.2.4

v3.2.5

v3.2.6

v3.2.7

v3.2.8

v3.2.9

v3.3.0

v3.3.1

v3.3.2

v3.3.3

v3.3.4

v3.3.5

v3.3.6

v3.3.7

v3.3.8

v3.3.9

v3.4.0

v3.4.1