CVE-2025-62785 MEDIUM

CVE-2025-62785: Wazuh fillData NULL pointer dereference causes analysisd crash

Vendor Wazuh
Product wazuh
Weakness CWE-252
Published October 29, 2025
Last update October 29, 2025

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Wazuh is a free and open source platform used for threat prevention, detection, and response. fillData() implementation does not check whether value is NULL or not before calling os_strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.10.2.

Key dates

02Disclosure timeline

October 29, 2025 CVE published
October 29, 2025 Record updated