CVE-2018-3277: Medium severity Oracle MySQL vulnerability
Last updated 25 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.7.23 and prior and 8.0.12 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/cpuoct2018-4428296.html
— Red Hat
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: InnoDB). Supported versions that are affected are 5.7.23 and prior and 8.0.12 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 vulnerability ID?
The vulnerability ID is CVE-2018-3277.
What is the severity level of CVE-2018-3277?
The severity level of CVE-2018-3277 is medium (4.9).
Which software versions are affected by CVE-2018-3277?
The affected software versions are MySQL Server 5.7.23 and prior, and MySQL Server 8.0.12 and prior.
How can a high privileged attacker exploit CVE-2018-3277?
A high privileged attacker with network access via multiple protocols can easily exploit CVE-2018-3277 to compromise MySQL Server.
Where can I find more information about CVE-2018-3277?
You can find more information about CVE-2018-3277 in the Oracle Security Advisory and the SecurityFocus and SecurityTracker websites.