CVE-2018-2769: Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Pluggable Auth).

Security readout for executives and security teams

CVE-2018-2769 is a MySQL Server denial-of-service issue in pluggable authentication. An attacker already holding high privileges and network access can make affected MySQL versions hang or crash repeatedly, interrupting database availability. The main business risk is outage, not data theft or data modification based on the provided sources. Exposure is most likely in legacy MySQL Server 5.7.21 or earlier deployments, especially where privileged database accounts can connect over network protocols. Managed, patched, or newer MySQL deployments are less likely exposed, but source evidence does not enumerate every fixed downstream package version. Treat as a legacy database availability risk. It is not described as data theft, but an outage of a critical MySQL service can still disrupt revenue, operations, or customer-facing systems. Prioritize if affected versions support business-critical applications or remain reachable by privileged users. Mitigation focus: Identify and prioritize MySQL Server 5.7.21 and earlier instances.; Apply Oracle, Red Hat, Ubuntu, NetApp, or platform-specific security updates.; Restrict network access to MySQL administration paths and trusted hosts..

Prepared

Jun 7, 2026, 13:40 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.