CVE-2025-59938

Name: CVE-2025-59938
Creator: NVD / NIST
Published: 2025-09-27T01:15:43.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2025-59938 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions starting from 3.8.0 to before 4.11.0, wazuh-analysisd is vulnerable to a heap buffer overflow when parsing XML elements from Windows EventChannel messages. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions starting from 3.8.0 to before 4.11.0, wazuh-analysisd is vulnerable to a heap buffer overflow when parsing XML elements from Windows EventChannel messages. This issue has been patched in version 4.11.0.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.34%

26.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-122

Affected Software

Vendor	Product	Versions
Wazuh	Wazuh	>= 3.8.0, < 4.11.0

References

https://github.com/wazuh/wazuh/security/advisories/GHSA-vw3r-mjg3-9hh2Exploit, Vendor Advisory

Timeline

Published: Sep 27, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-59938?

How severe is CVE-2025-59938?

CVE-2025-59938 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2025-59938?

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-2025-59938?

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

Scan your code now

Source: NVD / NIST