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**Name of the Vulnerable Software and Affected Versions** MySQL Server versions 9.0.0 through 9.1.0 **Description** A vulnerability exists in the Oracle MySQL Server component: Server: Optimizer. This issue allows a high-privileged attacker with network access via multiple protocols to compromise MySQL Server, potentially leading to a denial-of-service (DOS) condition through a hang or frequent crashes. **Recommendations** Update MySQL Server to a version later than 9.1.0.

**Name of the Vulnerable Software and Affected Versions** MySQL Server versions 9.0.0 through 9.3.0 **Description** A flaw exists within the Optimizer component of Oracle MySQL Server. A high-privileged attacker with network access can exploit this issue via multiple protocols to cause a denial-of-service (DOS) condition, resulting in a hang or frequent crashes of the MySQL Server. **Recommendations** MySQL Server versions 9.0.0 through 9.3.0 are affected and should be updated.

**Name of the Vulnerable Software and Affected Versions** Oracle MySQL versions 8.0.0 through 8.0.42 Oracle MySQL versions 8.4.0 through 8.4.5 Oracle MySQL versions 9.0.0 through 9.3.0 **Description** A vulnerability exists in the Server: Optimizer component of Oracle MySQL Server. A high-privileged attacker with network access via multiple protocols can compromise the server. Successful exploitation can lead to a denial-of-service (DOS) condition, causing a hang or frequent crashes of the MySQL Server. **Recommendations** Update Oracle MySQL to a version later than 8.0.42. Update Oracle MySQL to a version later than 8.4.5. Update Oracle MySQL to a version later than 9.3.0.

**Name of the Vulnerable Software and Affected Versions** Oracle MySQL versions 9.0.0 through 9.1.0 **Description** A flaw exists in the Optimizer component of Oracle MySQL Server that allows a high-privileged attacker with network access to cause a denial-of-service (DOS) condition, resulting in a hang or frequent crashes of the server. **Recommendations** Update to a version beyond 9.1.0.