CVE-2018-2816: Medium severity Oracle MySQL vulnerability
Last updated 25 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 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: Optimizer). Supported versions that are affected are 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-2018-2816?
CVE-2018-2816 is considered a high severity vulnerability that can be easily exploited by privileged attackers.
How do I fix CVE-2018-2816?
To fix CVE-2018-2816, upgrade MySQL Server to version 5.7.22 or later.
Which versions of MySQL are affected by CVE-2018-2816?
CVE-2018-2816 affects MySQL versions 5.7.21 and earlier.
Is CVE-2018-2816 exploitable over the network?
Yes, CVE-2018-2816 is easily exploitable by attackers with network access via multiple protocols.
What are the potential impacts of CVE-2018-2816?
Successful exploitation of CVE-2018-2816 can compromise the MySQL server and lead to unauthorized access or data manipulation.