REXML contains a denial of service vulnerability

MEDIUM 5.3CVE-2024-35176 · GHSA-vg3r-rm7w-2xgh · Published 16/05/2024 · updated 17/06/2026

Package	Affected versions	Patched versions
rexml RubyGems	`< 3.2.7`	`3.2.7`
rexml ruby-lang	`< 3.2.7`	`3.2.7`

Description

Impact

The REXML gem before 3.2.6 has a DoS vulnerability when it parses an XML that has many >s in an attribute value.

If you need to parse untrusted XMLs, you may be impacted to this vulnerability.

Patches

The REXML gem 3.2.7 or later include the patch to fix this vulnerability.

Workarounds

Don't parse untrusted XMLs.

References

https://www.ruby-lang.org/en/news/2024/05/16/dos-rexml-cve-2024-35176/

NVD description

REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many `<`s in an attribute value. Those who need to parse untrusted XMLs may be impacted to this vulnerability. The REXML gem 3.2.7 or later include the patch to fix this vulnerability. As a workaround, don't parse untrusted XMLs.

References

ruby/rexml security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2024-35176 · ADVISORY
ruby/rexml commit 4325835 · WEB
ruby/rexml · PACKAGE
lists.debian.org/debian-lts-announce/2025/01/msg00011.html · WEB
security.netapp.com/advisory/ntap-20250306-0001 · WEB
ruby-lang.org/en/news/2024/05/16/dos-rexml-cve-2024-35176 · WEB
security.netapp.com/advisory/ntap-20250306-0001 · Third Party Advisory

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free