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Description

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 impact on the availability of the authentication daemon.

PUBLISHED Reserved 2026-03-17 | Published 2026-03-27 | Updated 2026-05-26 | Assigner VulnCheck




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Problem types

CWE-125: Out-of-bounds Read

Product status

Default status
unaffected

3.5.0 (semver)
affected

4.3.10 (semver)
affected

Credits

Reported by @vikman90; credited to @stasos24. finder

References

github.com/advisories/GHSA-grjq-p5fg-m24r vendor-advisory

www.vulncheck.com/...ies/heap-buffer-overflow-in-wazuh-authd third-party-advisory

cve.org (CVE-2026-32984)

nvd.nist.gov (CVE-2026-32984)

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