CVE-2025-64169: Wazuh NULL pointer dereference in fim_alert line 666

Published Nov 21, 2025
·
Updated

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, fimalert() 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 Software

2 affected components
Wazuh Wazuh>=3.7.0<4.12.0
Wazuh Wazuh>=3.7.0<4.12.0

Event History

Nov 21, 2025
CVE Published
via MITRE·06:39 PM
Data Sourced
via MITRE·06:39 PM
DescriptionWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-64169?

CVE-2025-64169 is considered a critical vulnerability due to its potential to crash the analysis daemon in Wazuh.

2

How do I fix CVE-2025-64169?

To fix CVE-2025-64169, upgrade Wazuh to version 4.12.0 or later.

3

What versions of Wazuh are affected by CVE-2025-64169?

CVE-2025-64169 affects Wazuh versions from 3.7.0 to before 4.12.0.

4

What is the impact of exploiting CVE-2025-64169?

Exploiting CVE-2025-64169 can lead to the crashing of the analysis daemon, causing a disruption in threat detection and response.

5

Can CVE-2025-64169 be exploited remotely?

Yes, a compromised agent can exploit CVE-2025-64169 remotely, leading to a denial of service condition.

Contact

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