CVE-2018-2773: 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 5.5.59 and prior, 5.6.39 and prior and 5.7.21 and prior. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes 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: Client programs). Supported versions that are affected are 5.5.59 and prior, 5.6.39 and prior and 5.7.21 and prior. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes 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 4.1 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/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-2018-2773?
CVE-2018-2773 is considered difficult to exploit but allows high privileged attackers access to logon to vulnerable MySQL Server installations.
How do I fix CVE-2018-2773?
To remediate CVE-2018-2773, upgrade affected MySQL Server instances to version 5.5.60, 5.6.40, or 5.7.22, or later.
Which versions of MySQL are affected by CVE-2018-2773?
CVE-2018-2773 affects MySQL versions 5.5.59 and prior, 5.6.39 and prior, and 5.7.21 and prior.
What components are impacted by CVE-2018-2773?
CVE-2018-2773 impacts the MySQL Server component specifically within the client programs subcomponent.
Who can exploit CVE-2018-2773?
CVE-2018-2773 can be exploited by attackers with high privileges who have access to logon to the MySQL Server.