CVE-2018-3133: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Parser). Supported versions that are affected are 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior and 8.0.12 and prior. Easily exploitable vulnerability allows low 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.
External References:
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
— Red Hat
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Parser). Supported versions that are affected are 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior and 8.0.12 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2018-3133?
CVE-2018-3133 is a vulnerability in the MySQL Server component of Oracle MySQL that allows a low privileged attacker with network access to exploit it.
Which versions of Oracle MySQL are affected by CVE-2018-3133?
Versions 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior, and 8.0.12 and prior of Oracle MySQL are affected by CVE-2018-3133.
What is the severity of CVE-2018-3133?
CVE-2018-3133 has a severity value of 6.5, which is considered medium.
How can I fix CVE-2018-3133 in Oracle MySQL?
To fix CVE-2018-3133 in Oracle MySQL, update to version 5.5.62, 5.6.42, 5.7.24, or 8.0.13.
Where can I find more information about CVE-2018-3133?
You can find more information about CVE-2018-3133 at the following references: [1](http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html), [2](http://www.securityfocus.com/bid/105610), [3](http://www.securitytracker.com/id/1041888).