Moderate: mysql:8.4 security update

Open Source Vulnerabilities ALSA-2026:5640

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries. 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.