What’s Vulnerable › Vulnerabilities
CVE-2025-59938: Heap buffer overflow in wazuh-analysisd
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2025-09-27 · updated 2026-10-19
- Weakness: CWE-122
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.
Affected products
- wazuh: from 3.8.0 before 4.11.0 — fixed in 4.11.0
How to fix
Upgrade to a fixed version: wazuh 4.11.0. Check the vendor advisory for mitigations.
References
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