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Ubuntu MySQL Important Security Vulnerabilities USN-8363-1

ubuntu
Calendar Grey June 2, 2026
Dist Ubuntu Esm H88
Several security issues were fixed in MySQL with updates for Ubuntu releases. Check updates and patch your systems.
Several security issues were fixed in MySQL.

Summary

Several security issues were fixed in MySQL.

Software Description:

- mysql-8.4: MySQL database

- mysql-8.0: MySQL database

Details:

Multiple security issues were discovered in MySQL and this update includes

new upstream MySQL versions to fix these issues.

MySQL has been updated to 8.0.46 in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS.

Ubuntu 25.10 and Ubuntu 26.04 LTS have been updated to MySQL 8.4.9.

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-8-0-46.html

https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-9.html

https://www.oracle.com/security-alerts/cpuapr2026.html

Topics%20covered

Topics Covered

security advisory update MySQL threat Ubuntu important

Update Instructions

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

Ubuntu 26.04 LTS
  mysql-server                    8.4.9-0ubuntu0.26.04.1

Ubuntu 25.10
  mysql-server                    8.4.9-0ubuntu0.25.10.1

Ubuntu 24.04 LTS
  mysql-server-8.0                8.0.46-0ubuntu0.24.04.2

Ubuntu 22.04 LTS
  mysql-server-8.0                8.0.46-0ubuntu0.22.04.2

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References

https://ubuntu.com/security/notices/USN-8363-1

CVE-2026-21998, CVE-2026-22001, CVE-2026-22002, CVE-2026-22004,

CVE-2026-22005, CVE-2026-22009, CVE-2026-22015, CVE-2026-22017,

CVE-2026-34267, CVE-2026-34270, CVE-2026-34271, CVE-2026-34276,

CVE-2026-34278, CVE-2026-34293, CVE-2026-34303, CVE-2026-34304,

CVE-2026-34308, CVE-2026-34317, CVE-2026-34318, CVE-2026-34319,

CVE-2026-35236, CVE-2026-35237, CVE-2026-35238, CVE-2026-35239,

CVE-2026-35240

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8363-1

Topics%20covered

Topics Covered

security advisory update MySQL threat Ubuntu important

Package Information

https://launchpad.net/ubuntu/+source/mysql-8.4/8.4.9-0ubuntu0.26.04.1
https://launchpad.net/ubuntu/+source/mysql-8.4/8.4.9-0ubuntu0.25.10.1
https://launchpad.net/ubuntu/+source/mysql-8.0/8.0.46-0ubuntu0.24.04.2
https://launchpad.net/ubuntu/+source/mysql-8.0/8.0.46-0ubuntu0.22.04.2

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