Summary
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.
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | mysql | 8.0.45-1.el9_7 |
| AlmaLinux · 9 | mysql-common | 8.0.45-1.el9_7 |
| AlmaLinux · 9 | mysql-devel | 8.0.45-1.el9_7 |
| AlmaLinux · 9 | mysql-errmsg | 8.0.45-1.el9_7 |
| AlmaLinux · 9 | mysql-libs | 8.0.45-1.el9_7 |
| AlmaLinux · 9 | mysql-server | 8.0.45-1.el9_7 |
| AlmaLinux · 9 | mysql-test | 8.0.45-1.el9_7 |
Vulnerabilities 6
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Medium 6.5
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…
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Medium 4.9
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are…
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Medium 4.9
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affecte…
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Medium 4.9
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…
-
Medium 4.9
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are a…
-
Medium 4.9
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that …
References
-
report
https://access.redhat.com/security/cve/CVE-2026-21936
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report
https://access.redhat.com/security/cve/CVE-2026-21937
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report
https://access.redhat.com/security/cve/CVE-2026-21941
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report
https://access.redhat.com/security/cve/CVE-2026-21948
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report
https://access.redhat.com/security/cve/CVE-2026-21964
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report
https://access.redhat.com/security/cve/CVE-2026-21968
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report
https://bugzilla.redhat.com/2431384
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report
https://bugzilla.redhat.com/2431385
-
report
https://bugzilla.redhat.com/2431402
-
report
https://bugzilla.redhat.com/2431409
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report
https://bugzilla.redhat.com/2431413
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report
https://bugzilla.redhat.com/2431431
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advisory
https://errata.almalinux.org/9/ALSA-2026-4828.html