RLSA-2026:4162

Synopsis

Moderate: mysql8.4 security update

Description

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.

Affected products

Rocky Linux 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2431413 2431385 2431431 2431402 2431409 2431384

CVEs

CVE-2026-21936 CVE-2026-21937 CVE-2026-21941 CVE-2026-21948 CVE-2026-21964 CVE-2026-21968

Affected packages

Rocky Linux 10 x86_64 - AppStream

mysql8.4-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-server-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-libs-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-server-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-common-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-0:8.4.8-1.el10_1.rocky.0.1.src.rpm mysql8.4-libs-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-errmsg-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-debugsource-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm

Rocky Linux 10 aarch64 - CRB

mysql8.4-test-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-devel-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-test-data-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-test-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-devel-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm

Rocky Linux 10 s390x - AppStream

mysql8.4-libs-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-debugsource-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-server-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-common-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-0:8.4.8-1.el10_1.rocky.0.1.src.rpm mysql8.4-server-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-libs-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-errmsg-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm

Rocky Linux 10 s390x - CRB

mysql8.4-devel-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-test-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-test-data-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-test-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm mysql8.4-devel-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.s390x.rpm

Rocky Linux 10 x86_64 - CRB

mysql8.4-devel-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-devel-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-test-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm mysql8.4-test-data-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-test-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.x86_64.rpm

Rocky Linux 10 ppc64le - AppStream

mysql8.4-server-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-libs-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-common-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-0:8.4.8-1.el10_1.rocky.0.1.src.rpm mysql8.4-debugsource-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-errmsg-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-libs-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-server-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm

Rocky Linux 10 aarch64 - AppStream

mysql8.4-server-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-libs-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-common-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-debugsource-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-0:8.4.8-1.el10_1.rocky.0.1.src.rpm mysql8.4-errmsg-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-libs-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-server-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm mysql8.4-0:8.4.8-1.el10_1.rocky.0.1.aarch64.rpm

Rocky Linux 10 ppc64le - CRB

mysql8.4-test-data-0:8.4.8-1.el10_1.rocky.0.1.noarch.rpm mysql8.4-test-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-devel-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-devel-debuginfo-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm mysql8.4-test-0:8.4.8-1.el10_1.rocky.0.1.ppc64le.rpm