CVE-2016-0646: Unspecified vulnerability in Oracle MySQL 5.5.47 and earlier, 5.6.28 and earlier, and 5.7.10 and earlier an...

Security readout for executives and security teams

CVE-2016-0646 is a database availability issue in older Oracle MySQL and MariaDB releases. A local user could trigger a problem related to DML operations and disrupt service. The sources do not describe remote exploitation, data theft, or privilege escalation, so urgency depends on whether untrusted local users can reach affected database hosts. Exposure is most likely on legacy servers running affected MySQL or MariaDB versions, especially shared systems or environments where non-admin local users can interact with the database service. Internet exposure alone is not enough evidence here because the CVE states local users. Treat this as a patching and legacy exposure issue, not an emergency internet-wide threat based on current evidence. Raise priority where databases run on shared hosts, support multi-tenant local users, or underpin critical services with weak maintenance windows. Mitigation focus: Upgrade MySQL and MariaDB using Oracle, MariaDB, or Linux distributor advisories.; Move MariaDB past 5.5.48, 10.0.24, or 10.1.12 as applicable.; Move MySQL past the affected 5.5.47, 5.6.28, or 5.7.10 thresholds..

Prepared

Jun 13, 2026, 14:44 UTC (UTC+00:00)

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