CVE-2018-3186

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 8.0.12 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

• http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlPatch, Vendor Advisory
• http://www.securityfocus.com/bid/105607Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1041888Third Party Advisory, VDB Entry
• https://security.netapp.com/advisory/ntap-20181018-0002/Third Party Advisory
• http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlPatch, Vendor Advisory
• http://www.securityfocus.com/bid/105607Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1041888Third Party Advisory, VDB Entry
• https://security.netapp.com/advisory/ntap-20181018-0002/Third Party Advisory

Published

Oct 17, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2018-3180Vulnerability in the Java SE, Java SE Embedded, JRockit comp…5.6
• CVE-2018-3181Vulnerability in the Oracle Hospitality Cruise Shipboard Pro…
• CVE-2018-3182Vulnerability in the MySQL Server component of Oracle MySQL …6.5
• CVE-2018-3183Vulnerability in the Java SE, Java SE Embedded, JRockit comp…9
• CVE-2018-3184Vulnerability in the Hyperion BI+ component of Oracle Hyperi…
• CVE-2018-3185Vulnerability in the MySQL Server component of Oracle MySQL …5.5
• CVE-2018-3187Vulnerability in the MySQL Server component of Oracle MySQL …
• CVE-2018-3188Vulnerability in the Oracle iStore component of Oracle E-Bus…
• CVE-2018-3189Vulnerability in the Oracle Customer Interaction History com…
• CVE-2018-3190Vulnerability in the Oracle E-Business Intelligence componen…
• CVE-2018-3191Vulnerability in the Oracle WebLogic Server component of Ora…
• CVE-2018-3192Vulnerability in the PeopleSoft Enterprise PeopleTools compo…