CVE-2026-32710
MariaDB: MariaDB: Remote Code Execution or Denial of Service via JSON_SCHEMA_VALID() function vulnerability
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 21, 2026
Updated · July 5, 2026
Description
A flaw was found in MariaDB. An authenticated user can exploit a vulnerability in the JSON_SCHEMA_VALID() function, which may lead to a server crash, resulting in a denial of service. Under specific and controlled conditions, this flaw could potentially be leveraged to achieve remote code execution, allowing an attacker to run arbitrary commands on the affected system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')