CVE-2025-64169

Wazuh NULL pointer dereference in fim_alert line 666

Published Nov 21, 2025 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
First Time appeared Wazuh
Wazuh wazuh
Vendors & Products Wazuh
Wazuh wazuh
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Wazuh NULL pointer dereference in fim_alert line 666
Weaknesses CWE-252
CWE-476
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 21, 2025, 7:05 PM
Reserved
Oct 28, 2025, 9:07 PM
Status
Analyzed
Published
Nov 21, 2025, 7:16 PM
Modified
Oct 19, 2026, 1:10 PM