CVE-2018-3081: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Client component of Oracle MySQL (subcomponent: Client programs). Supported versions that are affected are 5.5.60 and prior, 5.6.40 and prior, 5.7.22 and prior and 8.0.11 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client as well as unauthorized update, insert or delete access to some of MySQL Client accessible data.
External References:
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
— Red Hat
Vulnerability in the MySQL Client component of Oracle MySQL (subcomponent: Client programs). Supported versions that are affected are 5.5.60 and prior, 5.6.40 and prior, 5.7.22 and prior and 8.0.11 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client as well as unauthorized update, insert or delete access to some of MySQL Client accessible data. CVSS 3.0 Base Score 5.0 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H).
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2018-3081?
CVE-2018-3081 is categorized as a difficult to exploit vulnerability that affects high privileged attackers.
How do I fix CVE-2018-3081?
To fix CVE-2018-3081, upgrade your MySQL Client installations to versions 5.5.61, 5.6.41, 5.7.23, or 8.0.12 or later.
Which MySQL versions are affected by CVE-2018-3081?
CVE-2018-3081 affects MySQL versions 5.5.60 and prior, 5.6.40 and prior, 5.7.22 and prior, and 8.0.11 and prior.
Are MariaDB versions impacted by CVE-2018-3081?
Yes, certain versions of MariaDB, particularly those prior to 5.5.61, are affected by CVE-2018-3081.
What components are impacted by CVE-2018-3081?
CVE-2018-3081 impacts the MySQL Client component within Oracle MySQL.