CVE-2026-32984: Heap buffer overflow in wazuh-authd

Published Mar 27, 2026
·
Updated

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 impact on the availability of the authentication daemon.

Affected Software

3 affected components
Wazuh wazuh-authd
Wazuh Wazuh<=3.5.0
Wazuh Wazuh=4.3.10

Event History

Mar 27, 2026
CVE Published
via MITRE·03:02 PM
Data Sourced
via MITRE·03:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-32984?

CVE-2026-32984 is considered a high severity vulnerability due to its potential to cause memory corruption and denial of service.

2

How do I fix CVE-2026-32984?

To fix CVE-2026-32984, update the Wazuh authd to the latest version where the vulnerability has been patched.

3

What systems are affected by CVE-2026-32984?

CVE-2026-32984 affects the Wazuh authd component across its supported versions.

4

What types of attacks can exploit CVE-2026-32984?

Attackers can exploit CVE-2026-32984 by sending specially crafted input to trigger a heap buffer overflow.

5

What are the potential impacts of CVE-2026-32984?

The impacts of CVE-2026-32984 include memory corruption, denial of service, and possible system instability.

Contact

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