CVE-2026-74045
HIGHCVSS 7.1Description
Wazuh from 3.12.0 before 4.14.8 contains a heap buffer overflow in fim_generate_alert() where full_log is sized from input but written bounded by OS_MAXSTR. An enrolled agent can send a crafted FIM syscheck event to corrupt manager heap memory and deterministically crash wazuh-analysisd, causing a fleet-wide detection outage.
Timeline
Published:October 13th, 2026 2:17 PM
Last modified:October 15th, 2026 3:49 PM
CVSS Scoring
CVSS v3: 7.1 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/wazuh/wazuh/releases/tag/v4.14.8
- https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr
- https://www.vulncheck.com/advisories/wazuh-3.12.0-before-4.14.8-heap-buffer-overflow-in-wazuh-analysisd-fim-decoder
- https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr
Source: NIST NVD · Data may lag official sources by up to one minute