// For flags

CVE-2026-32984

Heap buffer overflow in wazuh-authd

Severity Score

5.3
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.

*Credits: Reported by @vikman90; credited to @stasos24.
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
System
Vulnerable | Subsequent
Confidentiality
None
None
Integrity
None
None
Availability
Low
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2026-03-17 CVE Reserved
  • 2026-03-27 CVE Published
  • 2026-03-31 CVE Updated
  • 2026-04-28 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Wazuh
Search vendor "Wazuh"
 Wazuh
Search vendor "Wazuh" for product "Wazuh"
 <= 3.5.0
Search vendor "Wazuh" for product "Wazuh" and version " <= 3.5.0"
-
Affected
Wazuh
Search vendor "Wazuh"
 Wazuh
Search vendor "Wazuh" for product "Wazuh"
 4.3.10
Search vendor "Wazuh" for product "Wazuh" and version "4.3.10"
-
Affected