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CVE-2025-64169

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Date: November 21, 2025

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.

Severity Score

Related Resources (3)

https://github.com/wazuh/wazuh/security/advisories/GHSA-hc35-h924-8596
https://nvd.nist.gov/vuln/detail/CVE-2025-64169
https://www.mend.io/vulnerability-database/CVE-2025-64169

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Unchecked Return Value

CWE-252

Top Fix

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Upgrade to version https://github.com/wazuh/wazuh.git - v4.12.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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