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Ubuntu Security Notice USN-6288-2
October 24, 2023
mysql-5.7 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
Summary:
Several security issues were fixed in MySQL.
Software Description:
- mysql-5.7: MySQL database
Details:
USN-6288-1 fixed a vulnerability in MySQL. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory 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 5.7.43 in Ubuntu 16.04 LTS and Ubuntu 18.04 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/5.7/en/news-5-7-43.html
 https://www.oracle.com/security-alerts/cpujul2023.html
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  mysql-server-5.7                5.7.43-0ubuntu0.18.04.1+esm1
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  mysql-server-5.7                5.7.43-0ubuntu0.16.04.1+esm1
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-6288-2
  https://ubuntu.com/security/notices/USN-6288-1
  CVE-2023-22053