Buffer Underwrite (Buffer Underflow) Affecting wazuh/wazuh package, versions [4.0.0,4.14.4)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-WAZUHWAZUH-16415489
- published4 May 2026
- disclosed29 Apr 2026
- creditmarius-momeu
Introduced: 29 Apr 2026
NewCVE-2026-41499 (opens in a new tab)How to fix?
Upgrade wazuh/wazuh to version 4.14.4 or higher.
Overview
Affected versions of this package are vulnerable to Buffer Underwrite (Buffer Underflow) in the parse_uname_string function. An attacker can cause heap corruption and potentially disrupt service by sending specially crafted OS identification data that triggers a write operation one byte before the allocated buffer, corrupting heap metadata.