CVE-2024-39908

Name: CVE-2024-39908
Creator: NVD / NIST
Published: 2024-07-16T18:15:08.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.49%

Last modified Jun 17, 2026

CVE-2024-39908 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as `<`, `0` and `%>`. EPSS estimates a 1.49% chance of exploitation in the next 30 days.

Description

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as `<`, `0` and `%>`. If you need to parse untrusted XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML strings.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

EPSS Probability

1.49%

70.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Ruby-Lang	Rexml	< 3.3.2
Netapp	Bootstrap Os	All versions

References

https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8Vendor Advisory
https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908Vendor Advisory
https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html
https://security.netapp.com/advisory/ntap-20250117-0008/Third Party Advisory
https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908Vendor Advisory

Timeline

Published: Jul 16, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-39908?

How severe is CVE-2024-39908?

CVE-2024-39908 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.

How do I fix CVE-2024-39908?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-39908?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST