CVE-2026-32984 PUBLISHED

Heap buffer overflow in wazuh-authd

Assigner: VulnCheck
Reserved: 17.03.2026 Published: 27.03.2026 Updated: 27.03.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
CVSS Score: 3.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	None
User Interaction	Required	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	Wazuh
Product	Wazuh
Versions	Default: unaffected Version 3.5.0 is affected Version 4.3.10 is affected

Credits

Reported by @vikman90; credited to @stasos24. finder

References

Problem Types

CWE-125: Out-of-bounds Read CWE

Impacts

A heap-buffer overflow in wazuh-authd may cause memory corruption and malformed heap data, resulting in low availability impact.