CVE-2018-2846: Medium severity Oracle MySQL vulnerability
Last updated 25 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Performance Schema). 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: Performance Schema). 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-2018-2846?
CVE-2018-2846 is considered easily exploitable, allowing high privileged attackers with network access to exploit the vulnerability.
How do I fix CVE-2018-2846?
To fix CVE-2018-2846, upgrade MySQL Server to version 5.7.22 or later.
Which versions of MySQL are affected by CVE-2018-2846?
MySQL versions 5.7.21 and prior are affected by CVE-2018-2846.
What components of MySQL does CVE-2018-2846 affect?
CVE-2018-2846 affects the MySQL Server component specifically in the Performance Schema subcomponent.
Can CVE-2018-2846 be exploited remotely?
Yes, CVE-2018-2846 can be exploited remotely by attackers with high privileges.