Vulnerability Description
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ruby-Lang | Rexml | < 3.3.9 |
| Ruby-Lang | Ruby | < 3.2.0 |
| Netapp | Ontap Tools | 10 |
Related Weaknesses (CWE)
References
- https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979fPatch
- https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6mThird Party Advisory
- https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html
- https://security.netapp.com/advisory/ntap-20241227-0004/Third Party Advisory
FAQ
What is CVE-2024-49761?
CVE-2024-49761 is a vulnerability with a CVSS score of 7.5 (HIGH). REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). T...
How severe is CVE-2024-49761?
CVE-2024-49761 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-49761?
Check the references section above for vendor advisories and patch information. Affected products include: Ruby-Lang Rexml, Ruby-Lang Ruby, Netapp Ontap Tools.