Oracle · Mysql Server · CVE-2023-21917
**Name of the Vulnerable Software and Affected Versions**
MySQL Server versions 8.0.30 and prior
**Description**
The issue is related to insufficient input validation in the Server: Optimizer component of MySQL Server, allowing a high-privileged attacker with network access via multiple protocols to compromise the server. Successful attacks can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server.
**Recommendations**
For versions 8.0.30 and prior, update to a version that includes the fix for this issue.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.