| Name | CVE-2025-58767 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1115655 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ruby2.7 (PTS) | bullseye | 2.7.4-1+deb11u1 | fixed |
| bullseye (security) | 2.7.4-1+deb11u5 | fixed |
| ruby3.1 (PTS) | bookworm, bookworm (security) | 3.1.2-7+deb12u1 | fixed |
| ruby3.3 (PTS) | forky, sid, trixie | 3.3.8-2 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ruby-rexml | source | (unstable) | (unfixed) | | | |
| ruby2.7 | source | (unstable) | (not affected) | | | |
| ruby3.1 | source | (unstable) | (not affected) | | | |
| ruby3.3 | source | (unstable) | (unfixed) | | | 1115655 |
Notes
- ruby3.1 <not-affected> (Vulnerable code not present)
- ruby2.7 <not-affected> (Vulnerable code not present)
https://www.ruby-lang.org/en/news/2025/09/18/dos-rexml-cve-2025-58767/
https://github.com/ruby/rexml/security/advisories/GHSA-c2f4-jgmc-q2r5
https://github.com/ruby/rexml/commit/5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23 (v3.4.2)