CVE-2026-44251

MEDIUM CVSS 3.1: 6.5 EPSS 0.36%
Updated Jul 20, 2026
Wazuh
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions 3.0.0 — 4.14.5
Fixed In 4.14.5
Type CWE-122 (Heap-based Buffer Overflow), CWE-191 (Integer Underflow)
Vendor Wazuh
Public PoC No

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.0.0 and above, prior to 4.14.5, a size_t integer underflow in os_crypto/shared/msgs.c:389 allows any enrolled Wazuh agent to crash the wazuh-remoted process on the manager, immediately disconnecting all agents from the manager. A second code path reached by the same underflow may allow heap memory corruption.

This issue has been fixed in version 4.14.5.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Wazuh Wazuh
cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
3.0.0 4.14.5