Vulnerability Description
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ruby-Lang | Rexml | < 3.3.6 |
| Netapp | Bootstrap Os | - |
| Netapp | Hci Compute Node | - |
Related Weaknesses (CWE)
References
- https://github.com/ruby/rexml/releases/tag/v3.3.6Release Notes
- https://github.com/ruby/rexml/security/advisories/GHSA-vmwr-mc7x-5vc3Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html
- https://security.netapp.com/advisory/ntap-20250103-0006/Third Party Advisory
FAQ
What is CVE-2024-43398?
CVE-2024-43398 is a vulnerability with a CVSS score of 5.9 (MEDIUM). REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrus...
How severe is CVE-2024-43398?
CVE-2024-43398 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-43398?
Check the references section above for vendor advisories and patch information. Affected products include: Ruby-Lang Rexml, Netapp Bootstrap Os, Netapp Hci Compute Node.