Description
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.9.0 and above, prior to 4.14.5, a remote attacker can trigger memory exhaustion in the cluster protocol parser by sending a crafted message header with an arbitrarily large payload length. The length is trusted before authentication/decryption and used directly to allocate memory, allowing unauthenticated denial of service of the cluster service. This issue has been fixed in version 4.14.5.
Affected products
wazuh: wazuh
References2
- github.com/wazuh/wazuh/security/advisories/GHSA-476v-28pp-5wg9 ExploitVendor Advisory
- github.com/wazuh/wazuh/security/advisories/GHSA-476v-28pp-5wg9 ExploitVendor Advisory
Metrics
- CVSS 3.1
-
6.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 31 · as of 15 November 2026
- CWE
- CWE-400
Could this be exploited in your environment?
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