Wazuh NULL pointer dereference in fim_alert line 666_CVE-2025-64169

5.1 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-64169

Source GitHub_M

Published Nov 21, 2025 at 18:39

Modified Nov 21, 2025 at 19:05

Affected Product

Vendor wazuh

Product wazuh

Version >= 3.7.0, < 4.12.0

Affected Versions wazuh wazuh >= 3.7.0, < 4.12.0

CWE Classification

CWE-252 CWE-476

References

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

{
    "lastseen": "",
    "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.",
    "published": "2025-11-21T18:39:02.463Z",
    "modified": "2025-11-21T19:05:51.973Z",
    "type": "cve",
    "title": "Wazuh NULL pointer dereference in fim_alert line 666",
    "source": "GitHub_M",
    "references": "https://github.com/wazuh/wazuh/security/advisories/GHSA-hc35-h924-8596",
    "id": "CVE-2025-64169",
    "bulletinFamily": "",
    "cwe": [
        "CWE-252",
        "CWE-476"
    ],
    "cvelist": null,
    "sourceData": "wazuh wazuh >= 3.7.0, < 4.12.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.1,
        "severity": "MEDIUM",
        "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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "wazuh",
    "version": ">= 3.7.0, < 4.12.0",
    "vendor": "wazuh",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}