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[USN-8006-1] MySQL vulnerabilities

Posted on 04 February 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8006-1
February 03, 2026

mysql-8.0 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in MySQL.

Software Description:
- mysql-8.0: MySQL database

Details:

Multiple security issues were discovered in MySQL and this update includes
a new upstream MySQL version to fix these issues.

MySQL has been updated to 8.0.45 in Ubuntu 20.04 LTS.

In addition to security fixes, the updated packages contain bug fixes, new
features, and possibly incompatible changes.

Please see the following for more information:

https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-45.html
https://www.oracle.com/security-alerts/cpujan2026.html

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS
mysql-server-8.0 8.0.45-0ubuntu0.20.04.1+esm2
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8006-1
CVE-2025-53040, CVE-2025-53042, CVE-2025-53044, CVE-2025-53045,
CVE-2025-53053, CVE-2025-53054, CVE-2025-53062, CVE-2025-53069,
CVE-2026-21936, CVE-2026-21937, CVE-2026-21941, CVE-2026-21948,
CVE-2026-21964, CVE-2026-21968

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