CVE-2018-2818: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server : Security : Privileges). Supported versions that are affected are 5.5.59 and prior, 5.6.39 and prior and 5.7.21 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.
External References:
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
— Red Hat
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server : Security : Privileges). Supported versions that are affected are 5.5.59 and prior, 5.6.39 and prior and 5.7.21 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).
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2018-2818?
CVE-2018-2818 is classified as an easily exploitable vulnerability allowing high privileged attackers.
How do I fix CVE-2018-2818?
To resolve CVE-2018-2818, upgrade MySQL to versions 5.5.60, 5.6.40, or 5.7.22 or later.
Which MySQL versions are affected by CVE-2018-2818?
CVE-2018-2818 affects MySQL versions 5.5.59 and earlier, 5.6.39 and earlier, and 5.7.21 and earlier.
What components of MySQL Server are impacted by CVE-2018-2818?
CVE-2018-2818 impacts the MySQL Server component specifically related to security privileges.
Is CVE-2018-2818 present in MySQL 8.0?
No, CVE-2018-2818 does not affect MySQL version 8.0 or later.