CVE-2023-42463: wazuh-logcollector integer underflow local privilege escalation

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-12 · updated 2026-06-17
Weakness: CWE-121

Description

Wazuh is a free and open source platform used for threat prevention, detection, and response. This bug introduced a stack overflow hazard that could allow a local privilege escalation. This vulnerability was patched in version 4.5.3.

Affected products

wazuh: before 4.5.3 — fixed in 4.5.3

How to fix

Upgrade to a fixed version: wazuh 4.5.3. Check the vendor advisory for mitigations.

References

https://github.com/wazuh/wazuh/security/advisories/GHSA-27p5-32pp-r58r
https://github.com/wazuh/wazuh/security/advisories/GHSA-27p5-32pp-r58r

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