RHEL 10 : galera and mariadb11.8 (RHSA-2026:19021)

critical Nessus Plugin ID 315423

Synopsis

The remote Red Hat host is missing a security update for galera / mariadb11.8.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:19021 advisory.

MariaDB is a community developed fork from MySQL - a multi-user, multi-threaded SQL database server. It is a client/server implementation consisting of a server daemon (mariadbd) and many different client programs and libraries. The base package contains the standard MariaDB/MySQL client programs and utilities.

Security Fix(es):

* MariaDB: MariaDB: Remote Code Execution or Denial of Service via JSON_SCHEMA_VALID() function vulnerability (CVE-2026-32710)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL galera / mariadb11.8 packages based on the guidance in RHSA-2026:19021.

Plugin Details

Severity: Critical

ID: 315423

File Name: redhat-RHSA-2026-19021.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/19/2026

Updated: 5/19/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-32710

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:galera, p-cpe:/a:redhat:enterprise_linux:mariadb11.8, cpe:/o:redhat:enterprise_linux:10.2, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-backup, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-client-utils, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-common, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-devel, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-embedded, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-embedded-devel, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-errmsg, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-gssapi-server, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-oqgraph-engine, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-pam, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-server, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-server-galera, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-server-utils, p-cpe:/a:redhat:enterprise_linux:mariadb11.8-test

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 5/19/2026

Vulnerability Publication Date: 3/20/2026

Reference Information

CVE: CVE-2026-32710

CWE: 120

RHSA: 2026:19021

Detections

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