[security - medium] mariadb:10.11 security update

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.

CVE-2023-52969
MariaDB Server 10.4 through 10.5.*, 10.6 through 10.6.*, 10.7 through 10.11.*, and 11.0 through 11.0.* can sometimes crash with an empty backtrace log. This may be related to make_aggr_tables_info and optimize_stage2.
CVE-2023-52970
MariaDB Server 10.4 through 10.5.*, 10.6 through 10.6.*, 10.7 through 10.11.*, 11.0 through 11.0.*, and 11.1 through 11.4.* crashes in Item_direct_view_ref::derived_field_transformer_for_where.
CVE-2023-52971
MariaDB Server 10.10 through 10.11.* and 11.0 through 11.4.* crashes in JOIN::fix_all_splittings_in_plan.
CVE-2025-21490
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 and prior. 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-2025-30693
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).
CVE-2025-30722
Vulnerability in the MySQL Client product of Oracle MySQL (component: Client: mysqldump). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Client accessible data as well as unauthorized update, insert or delete access to some of MySQL Client accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N).
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).

Modularity name: "mariadb"
Stream name: "10.11"