RLSA-2026:5640

Synopsis

Moderate: mysql:8.4 security update

Description

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.

Affected products

Rocky Linux 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2431384 2431385 2431402 2431409 2431413 2431431

CVEs

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

Affected packages

Rocky Linux 9 aarch64 - AppStream

mecab-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.aarch64.rpm mecab-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.src.rpm mecab-debuginfo-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.aarch64.rpm mecab-debugsource-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.aarch64.rpm mecab-devel-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.aarch64.rpm mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.aarch64.rpm mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.src.rpm mecab-ipadic-EUCJP-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.aarch64.rpm rapidjson-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.src.rpm rapidjson-devel-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.aarch64.rpm rapidjson-doc-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.noarch.rpm

Rocky Linux 9 ppc64le - AppStream

mecab-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.ppc64le.rpm mecab-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.src.rpm mecab-debuginfo-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.ppc64le.rpm mecab-debugsource-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.ppc64le.rpm mecab-devel-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.ppc64le.rpm mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.ppc64le.rpm mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.src.rpm mecab-ipadic-EUCJP-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.ppc64le.rpm rapidjson-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.src.rpm rapidjson-devel-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.ppc64le.rpm rapidjson-doc-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.noarch.rpm

Rocky Linux 9 s390x - AppStream

mecab-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.s390x.rpm mecab-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.src.rpm mecab-debuginfo-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.s390x.rpm mecab-debugsource-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.s390x.rpm mecab-devel-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.s390x.rpm mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.s390x.rpm mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.src.rpm mecab-ipadic-EUCJP-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.s390x.rpm rapidjson-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.src.rpm rapidjson-devel-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.s390x.rpm rapidjson-doc-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.noarch.rpm

Rocky Linux 9 x86_64 - AppStream

mecab-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.src.rpm mecab-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.x86_64.rpm mecab-debuginfo-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.x86_64.rpm mecab-debugsource-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.x86_64.rpm mecab-devel-0:0.996-3.module+el9.7.0+40027+0df0d4e0.4.x86_64.rpm mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.src.rpm mecab-ipadic-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.x86_64.rpm mecab-ipadic-EUCJP-0:2.7.0.20070801-24.module+el9.7.0+40027+0df0d4e0.x86_64.rpm rapidjson-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.src.rpm rapidjson-devel-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.x86_64.rpm rapidjson-doc-0:1.1.0-19.module+el9.7.0+40027+0df0d4e0.noarch.rpm