CVE-2018-3174: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Client programs). 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. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. While the vulnerability is in MySQL Server, attacks may significantly impact additional products. 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: Client programs). 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. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. While the vulnerability is in MySQL Server, attacks may significantly impact additional products. 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H).
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2018-3174?
CVE-2018-3174 is a vulnerability in the MySQL Server component of Oracle MySQL, specifically affecting the Client programs subcomponent.
Which versions of Oracle MySQL are affected by CVE-2018-3174?
The affected versions of Oracle MySQL are 5.5.61 and prior, 5.6.41 and prior, 5.7.23 and prior, and 8.0.12 and prior.
What is the severity level of CVE-2018-3174?
The severity level of CVE-2018-3174 is medium, with a severity value of 5.3.
How can I fix CVE-2018-3174?
To fix CVE-2018-3174, you should update your MySQL Server to version 5.5.62, 5.6.42, 5.7.24, or 8.0.13 depending on the affected version.
Where can I find more information about CVE-2018-3174?
You can find more information about CVE-2018-3174 at Oracle's security advisory and the Debian security tracker.