A MySQL security update has been released for Ubuntu Linux 20.04 LTS, 18.04 LTS, and 16.04 LTS.

USN-4441-1: MySQL vulnerabilities

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Ubuntu Security Notice USN-4441-1
July 28, 2020

mysql-5.7, mysql-8.0 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in MySQL.

Software Description:
- mysql-8.0: MySQL database
- mysql-5.7: 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 8.0.21 in Ubuntu 20.04 LTS. Ubuntu 16.04 LTS and
Ubuntu 18.04 LTS have been updated to MySQL 5.7.31.

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/5.7/en/news-5-7-31.html

  https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-21.html

  https://www.oracle.com/security-alerts/cpujul2020.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 8.0.21-0ubuntu0.20.04.3

Ubuntu 18.04 LTS:
mysql-server-5.7 5.7.31-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
mysql-server-5.7 5.7.31-0ubuntu0.16.04.1

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://usn.ubuntu.com/4441-1
CVE-2020-14539, CVE-2020-14540, CVE-2020-14547, CVE-2020-14550,
CVE-2020-14553, CVE-2020-14559, CVE-2020-14568, CVE-2020-14575,
CVE-2020-14576, CVE-2020-14586, CVE-2020-14591, CVE-2020-14597,
CVE-2020-14619, CVE-2020-14620, CVE-2020-14623, CVE-2020-14624,
CVE-2020-14631, CVE-2020-14632, CVE-2020-14633, CVE-2020-14634,
CVE-2020-14641, CVE-2020-14643, CVE-2020-14651, CVE-2020-14654,
CVE-2020-14656, CVE-2020-14663, CVE-2020-14678, CVE-2020-14680,
CVE-2020-14697, CVE-2020-14702

Package Information:
  https://launchpad.net/ubuntu/+source/mysql-8.0/8.0.21-0ubuntu0.20.04.3
  https://launchpad.net/ubuntu/+source/mysql-5.7/5.7.31-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/mysql-5.7/5.7.31-0ubuntu0.16.04.1