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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.

PUBLISHED Reserved 2025-09-04 | Published 2025-09-17 | Updated 2025-09-17 | Assigner GitHub_M




LOW: 1.2CVSS: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

Problem types

CWE-400: Uncontrolled Resource Consumption

Product status

>= 3.3.3, < 3.4.2
affected

References

github.com/.../rexml/security/advisories/GHSA-c2f4-jgmc-q2r5

github.com/...ommit/5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23

cve.org (CVE-2025-58767)

nvd.nist.gov (CVE-2025-58767)

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