CVE-2025-64169: Wazuh

Medium severity, CVSS 4.9. 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. From version 3.7.0 to before 4.12.0, fim_alert() implementation does not check whether oldsum->md5 is NULL or not before dereferencing it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. This issue has been patched in version 4.12.0.

Affected products

• Wazuh Wazuh: from 3.7.0, before 4.12.0 (fixed in 4.12.0)

Published 2025-11-21. Last modified 2026-06-17.