Moderate: mysql:8.0 security update
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2026:5580
- https://access.redhat.com/security/cve/CVE-2026-21936
- https://access.redhat.com/security/cve/CVE-2026-21937
- https://access.redhat.com/security/cve/CVE-2026-21941
- https://access.redhat.com/security/cve/CVE-2026-21948
- https://access.redhat.com/security/cve/CVE-2026-21964
- https://access.redhat.com/security/cve/CVE-2026-21968
- https://bugzilla.redhat.com/2431384
- https://bugzilla.redhat.com/2431385
- https://bugzilla.redhat.com/2431402
- https://bugzilla.redhat.com/2431409
- https://bugzilla.redhat.com/2431413
- https://bugzilla.redhat.com/2431431
- https://errata.almalinux.org/8/ALSA-2026-5580.html