CVE-2018-2839: Medium severity Oracle MySQL vulnerability
Last updated 25 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: DML). 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: DML). 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-2018-2839?
CVE-2018-2839 has been classified as an easily exploitable vulnerability that can lead to a compromise of the MySQL server.
How do I fix CVE-2018-2839?
To remediate CVE-2018-2839, upgrade your MySQL server to version 5.7.22 or later.
Which MySQL versions are affected by CVE-2018-2839?
CVE-2018-2839 affects MySQL version 5.7.21 and earlier.
Can CVE-2018-2839 be exploited remotely?
Yes, CVE-2018-2839 can be exploited by an attacker with network access to the MySQL server.
What types of systems are vulnerable to CVE-2018-2839?
Systems running affected versions of MySQL on platforms like Debian, Ubuntu, and Red Hat can be vulnerable to CVE-2018-2839.