Ubuntu USN · USN-8457-1

MySQL vulnerabilities

Published: Mon, 22 Jun 2026 13:11

CVE-2026-46863CVE-2026-46862

Summary

Several security issues were fixed in MySQL.

Details

It was discovered that MySQL Router incorrectly handled repeated TLS protocol upgrade requests. An unauthenticated remote attacker could possibly use this issue to cause MySQL Router to crash, resulting in a denial of service. (CVE-2026-46862) It was discovered that MySQL Server incorrectly handled connection authentication. An unauthenticated remote attacker could possibly use this issue to cause MySQL to crash, resulting in a denial of service. (CVE-2026-46863)

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu jammy

mysql-8.0→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libmysqlclient-dev→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libmysqlclient-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libmysqlclient21→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libmysqlclient21
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client-8.0→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client-core-8.0→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client-core-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-router→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-router
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server-8.0→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server-core-8.0→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server-core-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-source-8.0→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-source-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-testsuite→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-testsuite
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-testsuite-8.0→8.0.46-0ubuntu0.22.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.22.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-testsuite-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu noble

mysql-8.0→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libmysqlclient-dev→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libmysqlclient-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libmysqlclient21→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libmysqlclient21
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client-8.0→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client-core-8.0→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client-core-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-router→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-router
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server-8.0→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server-core-8.0→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server-core-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-source-8.0→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-source-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-testsuite→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-testsuite
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-testsuite-8.0→8.0.46-0ubuntu0.24.04.3apt_upgrade
Standard apt upgrade. Install 8.0.46-0ubuntu0.24.04.3 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-testsuite-8.0
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu questing

mysql-8.4→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-8.4
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libmysqlclient-dev→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libmysqlclient-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libmysqlclient24→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libmysqlclient24
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client-core→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client-core
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-router→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-router
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server-core→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server-core
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-source→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-source
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-testsuite→8.4.10-0ubuntu0.25.10.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.25.10.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-testsuite
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu resolute

mysql-8.4→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-8.4
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libmysqlclient-dev→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libmysqlclient-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libmysqlclient24→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libmysqlclient24
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-client-core→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-client-core
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-router→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-router
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-server-core→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-server-core
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-source→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-source
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
mysql-testsuite→8.4.10-0ubuntu0.26.04.1apt_upgrade
Standard apt upgrade. Install 8.4.10-0ubuntu0.26.04.1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y mysql-testsuite
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

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