CVE-2023-7340
mediumWazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted…
Vendor / product: Wazuh — wazuh
Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-03-27 16:16
Modified: 2026-10-28 19:10
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-28 19:26 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
wazuh / wazuh ≤3.5.0, 4.3.10
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/wazuh/wazuh/security/advisories/GHSA-grjq-p5fg-m24r disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/heap-buffer-overflow-in-wazuh-authd disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 19:26 UTC · record ↗