CVE-2024-39908

Denial of service in REXML

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 3.25% Top 15%
Affected: ruby rexml
Published at:
Updated at:

References

Link Tags
https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8
https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908
https://security.netapp.com/advisory/ntap-20250117-0008/

Frequently Asked Questions

What is the severity of CVE-2024-39908?
CVE-2024-39908 has been scored as a medium severity vulnerability.
How to fix CVE-2024-39908?
To fix CVE-2024-39908, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-39908 being actively exploited in the wild?
It is possible that CVE-2024-39908 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-39908?
CVE-2024-39908 affects ruby rexml.
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