CVE-2018-2622: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: DDL). Supported versions that are affected are 5.5.58 and prior, 5.6.38 and prior and 5.7.20 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/cpujan2018-3236628.html
— Red Hat
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: DDL). Supported versions that are affected are 5.5.58 and prior, 5.6.38 and prior and 5.7.20 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 the severity of CVE-2018-2622?
CVE-2018-2622 is considered an easily exploitable vulnerability that affects the MySQL Server component.
How do I fix CVE-2018-2622?
To fix CVE-2018-2622, upgrade MySQL Server to version 5.5.59 or higher, 5.6.39 or higher, or 5.7.21 or higher.
Which versions of MySQL are vulnerable to CVE-2018-2622?
Vulnerable versions of MySQL include 5.5.58 and prior, 5.6.38 and prior, and 5.7.20 and prior.
What types of attackers can exploit CVE-2018-2622?
CVE-2018-2622 can be exploited by a low privileged attacker with network access.
Which software distributions are affected by CVE-2018-2622?
CVE-2018-2622 affects various distributions including Red Hat's MySQL and MariaDB, as well as Debian and Ubuntu versions.