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ALSA-2026:4162 — Moderate: mysql8.4 security update

Affected: AlmaLinux:10: mysql8.4-common, AlmaLinux:10: mysql8.4-errmsg, AlmaLinux:10: mysql8.4-test-data

MySQL is a multi-user, multi-threaded SQL database server. MySQL is a client/server implementation consisting of a server daemon (mysqld) and many different client programs and libraries. The base package contains the standard MySQL client programs and generic MySQL files.

Security Fix(es):

* mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21941) * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21948) * mysql: InnoDB unspecified vulnerability (CPU Jan 2026) (CVE-2026-21936) * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968) * mysql: DDL unspecified vulnerability (CPU Jan 2026) (CVE-2026-21937) * mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) (CVE-2026-21964)

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.

bdu:2026-00702

BELL-CVE-2026-21968

Affected: Alpaquita:23: mariadb, Alpaquita:25: mariadb, Alpaquita:stream: mariadb

certfr-2026-avi-0070 — De multiples vulnérabilités ont été découvertes dans Oracle MySQL. Elles permettent à un attaquant de provoquer un déni…

certfr-2026-avi-0070

cnvd-2026-16629

EUVD-2026-266240

fkie_cve-2026-21968

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

GHSA-3wrf-gw7c-pqjp

NCSC-2026-0032 — Kwetsbaarheden verholpen in Oracle MySQL

NCSC-2026-0032

OESA-2026-1196 — mysql security update

Affected: openEuler:22.03-LTS-SP4: mysql, openEuler:24.03-LTS: mysql, openEuler:24.03-LTS-SP1: mysql, openEuler:24.03-LTS-SP2: mysql, openEuler:24.03-LTS-SP3: mysql, openEuler:20.03-LTS-SP4: mysql

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).(CVE-2026-21936)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).(CVE-2026-21937)

Vulnerability in the MySQL…

RHSA-2026:0136 — Red Hat Security Advisory: mariadb10.11 security update

mariadb: MariaDB Server Crash Due to Empty Backtrace Log mariadb: MariaDB Server Crash via Item_direct_view_ref mariadb: MariaDB Server Crash mariadb: MariaDB: mariadb-dump utility vulnerable to remote code execution via improper path validation mysql: mariadb: InnoDB unspecified vulnerability (CPU Apr 2025) mysql: mariadb: mysqldump unspecified vulnerability (CPU Apr 2025) mysql: Optimizer unspecified vulnerability (CPU Jan 2026)

RHSA-2026:0335 — Red Hat Security Advisory: mariadb:10.11 security update

mariadb: MariaDB Server Crash Due to Empty Backtrace Log mariadb: MariaDB Server Crash via Item_direct_view_ref mariadb: MariaDB Server Crash mysql: Client: mysqldump unspecified vulnerability (CPU Apr 2024) mariadb: MariaDB: mariadb-dump utility vulnerable to remote code execution via improper path validation mysql: mariadb: High Privilege Denial of Service Vulnerability in MySQL Server (CPU Jan 2025) mysql: mariadb: InnoDB unspecified vulnerability (CPU Apr 2025) mysql: mariadb: mysqldump unspecified vulnerability (CPU Apr 2025) mysql: Optimizer unspecified vulnerability (CPU Jan 2026)

UBUNTU-CVE-2026-21968

Affected: Ubuntu:14.04:LTS: mysql-5.5, Ubuntu:Pro:16.04:LTS: mysql-5.7, Ubuntu:16.04:LTS: mariadb-10.0, Ubuntu:16.04:LTS: percona-server-5.6, Ubuntu:16.04:LTS: percona-xtradb-cluster-5.6, Ubuntu:Pro:18.04:LTS: mysql-5.7, Ubuntu:18.04:LTS: mariadb-10.1, Ubuntu:Pro:20.04:LTS: mysql-8.0, Ubuntu:20.04:LTS: mariadb-10.3, Ubuntu:22.04:LTS: mariadb-10.6 and 6 more

WID-SEC-W-2026-0168 — Oracle MySQL: Mehrere Schwachstellen

Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle MySQL ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.