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VULNERABILITIES

CVE-2026-74045 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr CISA-ADP
https://github.com/wazuh/wazuh/releases/tag/v4.14.8 [email protected]
https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr [email protected]
https://www.vulncheck.com/advisories/wazuh-3.12.0-before-4.14.8-heap-buffer-overflow-in-wazuh-analysisd-fim-decoder [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-122Heap-based Buffer Overflow[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74045
NVD Published Date:
Oct 13, 2026
NVD Last Modified:
Oct 15, 2026
Source:
[email protected]
CVE-2026-74045 Details - Not Deferred