CVE-2026-46863

Name of the Vulnerable Software and Affected Versions MySQL Server versions 8.4.0 through 8.4.9 MySQL Server versions 9.0.0 through 9.7.0 MySQL Cluster versions 8.0.11 through 8.0.46 MySQL Cluster versions 8.4.0 through 8.4.9 MySQL Cluster versions 9.0.0 through 9.7.0

Description An issue exists in the Server: Connection Handling component. An unauthenticated attacker with network access via multiple protocols can exploit this to cause a hang or a frequently repeatable crash, resulting in a complete Denial of Service (DOS), which is a condition where the service becomes unavailable to legitimate users.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.