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wid-sec-w-2026-0815  ·  Published 2026-03-22  ·  View on BSI CERT-Bund ↗

MariaDB: Vulnerability allows Denial of Service and potenziell Code execution

CVSS 8.5 HIGH

Risk Summary

MariaDB server is a community developed fork of MySQL server. An authenticated user can crash MariaDB versions 11.4 before 11.4.10 and 11.8 before 11.8.6 via a bug in JSON_SCHEMA_VALID() function. Under certain conditions it might be possible to turn the crash into a remote code execution. These conditions require tight control over memory layout which is generally only attainable in a lab environment. This issue is fixed in MariaDB 11.4.10, MariaDB 11.8.6, and MariaDB 12.2.2.

CVEs (1)

Affected Vendors

MariaDB

Affected Products (6)

MariaDB · MariaDB Server <11.4.10
MariaDB · MariaDB Server 11.4.10
MariaDB · MariaDB Server <11.8.6
MariaDB · MariaDB Server 11.8.6
MariaDB · MariaDB Server <12.2.2
MariaDB · MariaDB Server 12.2.2

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