CVE-2019-2755: Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication).

Security readout for executives and security teams

CVE-2019-2755 is a MySQL Server replication vulnerability affecting Oracle MySQL 5.7.25 and earlier, and 8.0.15 and earlier. A highly privileged network attacker could make the database hang or crash repeatedly, causing outage. The sources do not indicate data theft, data modification, or active exploitation. Exposure is mainly MySQL Server deployments running affected versions where highly privileged users can reach the server over network protocols. Internet exposure matters less than privileged account control, replication administration access, and package lineage from Oracle, Red Hat, Fedora, or F5-adjacent environments. Treat as a service availability risk. It is not currently evidenced as exploited and requires high privileges, but affected database systems can be crashed. Prioritize remediation for business-critical MySQL servers, exposed administrative paths, and replication-heavy environments. Mitigation focus: Inventory MySQL Server versions and package sources across production and replicas.; Follow Oracle, Red Hat, Fedora, or F5 vendor guidance for applicable security updates.; Restrict privileged MySQL and replication access to trusted administrative networks..

Prepared

Jun 6, 2026, 20:22 UTC (UTC+00:00)

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