CVE-2025-64169

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.

CVSS 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-25)

CWEs

CWE-476, CWE-252

Published

2025-11-21

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

Affected

• wazuh:wazuh

References

• https://github.com/wazuh/wazuh/security/advisories/GHSA-hc35-h924-8596

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