CVE-2018-3062: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.40 and prior, 5.7.22 and prior and 8.0.11 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via memcached 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/cpujul2018-4258247.html
— Red Hat
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.40 and prior, 5.7.22 and prior and 8.0.11 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via memcached 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/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-2018-3062?
CVE-2018-3062 is classified as a medium severity vulnerability.
How do I fix CVE-2018-3062?
To fix CVE-2018-3062, upgrade MySQL to versions 5.6.41, 5.7.23, or 8.0.12 or later.
What versions of MySQL are affected by CVE-2018-3062?
Versions 5.6.40 and prior, 5.7.22 and prior, and 8.0.11 and prior of MySQL are affected by CVE-2018-3062.
Who can exploit CVE-2018-3062?
CVE-2018-3062 can be exploited by low privileged attackers with network access.
What component of MySQL is impacted by CVE-2018-3062?
CVE-2018-3062 impacts the Server: Memcached component of Oracle MySQL.