Out-of-bounds Read in Wazuh
CVE-2026-32984
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (29.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Wazuh — versions 3.5.0, 4.3.10
Weakness classification (CWE)
References
- github.com/advisories/GHSA-grjq-p5fg-m24r (vendor-advisory, Broken Link)
- www.vulncheck.com/advisories/heap-buffer-overflow-in-wazuh-authd (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-32984?
- CVE-2026-32984 is a low-severity vulnerability in Wazuh, classified under Out-of-bounds Read. CVSS score: 3.5/10. Published 2026-03-27.
- How severe is CVE-2026-32984?
- Low severity. CVSS v3 base score is 3.5 out of 10.