Description
Wazuh from 1.0.0 before 4.14.9 contains an out-of-bounds write vulnerability in wazuh-execd that allows privileged manager-configuration attackers to corrupt root process memory via excess ar.conf entries. Attackers controlling ossec.conf active-response blocks can push over 64 commands to agents, overflowing ReadExecConfig() arrays and crashing Active Response fleet-wide.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| wazuh | wazuh | 1.0.0 – < 4.14.9 | 4.14.9 |
Advisories 1
- WID-SEC-2026-4377 Wazuh: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 8, 2026
References
- GitHub Security Advisory (GHSA-f4pj-j296-jwp2) vendor-advisory
- wazuh v4.14.9 Release Notes release-notes
- VulnCheck Advisory: Wazuh 1.0.0 before 4.14.9 Out-of-Bounds Write in wazuh-execd via ar.conf third-party-advisory