CVE-2025-64169

MEDIUM

Wazuh 3.7.0-4.11.9 - Denial of Service via Unchecked MD5 Dereference in fim_alert()

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/wazuh/wazuh/security/advisories/GHSA-hc35-h924-8596

Scores

CVSS v3 4.9
EPSS 0.0031
EPSS Percentile 22.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-252 CWE-476
Status published
Products (1)
wazuh/wazuh 3.7.0 - 4.12.0
Published Nov 21, 2025
Tracked Since Feb 18, 2026