CVE-2025-59938
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-27

Last updated on: 2025-10-16

Assigner: GitHub, Inc.

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.
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Meta Information
Published
2025-09-27
Last Modified
2025-10-16
Generated
2026-06-16
AI Q&A
2025-09-27
EPSS Evaluated
2026-06-14
NVD
CVE-2025-59938
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
wazuh wazuh From 3.8.0 (inc) to 4.11.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is a heap buffer overflow in the wazuh-analysisd component of Wazuh, which occurs when parsing XML elements from Windows EventChannel messages. It affects versions from 3.8.0 up to but not including 4.11.0 and has been fixed in version 4.11.0.

Mitigation Strategies

The immediate step to mitigate this vulnerability is to upgrade Wazuh to version 4.11.0 or later, where the heap buffer overflow issue in wazuh-analysisd has been patched.

Impact Analysis

The vulnerability can cause a denial of service by crashing the wazuh-analysisd process due to a heap buffer overflow. According to the CVSS score, it does not impact confidentiality or integrity but can impact availability.

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