RLSA-2026:4162

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.