RHSA-2026:6435 — Security Advisory

Red Hat Security Advisory: mariadb:10.11 security update

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Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · April 2, 2026

Updated · October 14, 2026

Topic

An update for the mariadb:10.11 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL.

Security Fix(es):

mysql: High Privilege Denial of Service Vulnerability in MySQL Server (CVE-2025-21490)
mariadb: MariaDB Server Crash Due to Empty Backtrace Log (CVE-2023-52969)
mariadb: MariaDB Server Crash (CVE-2023-52971)
mariadb: MariaDB Server Crash via Item_direct_view_ref (CVE-2023-52970)
mysql: mysqldump unspecified vulnerability (CPU Apr 2025) (CVE-2025-30722)
mysql: InnoDB unspecified vulnerability (CPU Apr 2025) (CVE-2025-30693)
mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968)

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.