CVE-2018-3066: Canonical Ubuntu Linux

Low severity, CVSS 3.3. EPSS: 1.9% chance of exploitation in the next 30 days.

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Options). Supported versions that are affected are 5.5.60 and prior, 5.6.40 and prior and 5.7.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 3.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N).

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 18.04 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• MariaDB MariaDB: from 5.5.0, before 5.5.61 (fixed in 5.5.61); from 10.0.0, before 10.0.36 (fixed in 10.0.36); from 10.1.0, before 10.1.35 (fixed in 10.1.35); from 10.2.0, before 10.2.17 (fixed in 10.2.17); from 10.3.0, before 10.3.9 (fixed in 10.3.9)
• Netapp Oncommand Insight: affected versions not specified
• Netapp Oncommand Workflow Automation: affected versions not specified
• Netapp Snapcenter: affected versions not specified
• Netapp Storage Automation Store: affected versions not specified
• Oracle MySQL: from 5.5.0, up to and including 5.5.60; from 5.6.0, up to and including 5.6.40; from 5.7.0, up to and including 5.7.22
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2018-07-18. Last modified 2026-06-17.