Main Vulnerability Database Vulnerabilities #VU121008

Insecure automated optimizations in MariaDB - CVE-2023-52971

Published: January 7, 2026

Vulnerability identifier: #VU121008

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2023-52971

CWE-ID: CWE-1038

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: MariaDB Foundation

Affected software:
MariaDB

Detailed vulnerability description

The vulnerability allows a remote user to perform a denial of service attack.

The vulnerability exists due to insecure automated optimization in JOIN::fix_all_splittings_in_plan. A remote user can crash the database server.

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