Multiple security issues were discovered in MySQL and this update includes
new upstream MySQL versions to fix these issues.
MySQL has been updated to 8.0.25 in Ubuntu 20.04 LTS, Ubuntu 20.10, and
Ubuntu 21.04. Ubuntu 18.04 LTS has been updated to MySQL 5.7.34.
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-5-7-34.html
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-24.html
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-25.html
https://www.oracle.com/security-alerts/cpuapr2021.html
ubuntu.com/security/CVE-2021-2146
ubuntu.com/security/CVE-2021-2154
ubuntu.com/security/CVE-2021-2162
ubuntu.com/security/CVE-2021-2164
ubuntu.com/security/CVE-2021-2166
ubuntu.com/security/CVE-2021-2169
ubuntu.com/security/CVE-2021-2170
ubuntu.com/security/CVE-2021-2171
ubuntu.com/security/CVE-2021-2172
ubuntu.com/security/CVE-2021-2179
ubuntu.com/security/CVE-2021-2180
ubuntu.com/security/CVE-2021-2193
ubuntu.com/security/CVE-2021-2194
ubuntu.com/security/CVE-2021-2196
ubuntu.com/security/CVE-2021-2201
ubuntu.com/security/CVE-2021-2203
ubuntu.com/security/CVE-2021-2208
ubuntu.com/security/CVE-2021-2212
ubuntu.com/security/CVE-2021-2215
ubuntu.com/security/CVE-2021-2217
ubuntu.com/security/CVE-2021-2226
ubuntu.com/security/CVE-2021-2230
ubuntu.com/security/CVE-2021-2232
ubuntu.com/security/CVE-2021-2278
ubuntu.com/security/CVE-2021-2293
ubuntu.com/security/CVE-2021-2298
ubuntu.com/security/CVE-2021-2299
ubuntu.com/security/CVE-2021-2300
ubuntu.com/security/CVE-2021-2301
ubuntu.com/security/CVE-2021-2304
ubuntu.com/security/CVE-2021-2305
ubuntu.com/security/CVE-2021-2307
ubuntu.com/security/CVE-2021-2308
ubuntu.com/security/notices/USN-4952-1