CVE-2025-59938: Wazuh

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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 Wazuh: from 3.8.0, before 4.11.0 (fixed in 4.11.0)

Published 2025-09-27. Last modified 2026-06-17.