CVE-2018-2761: 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 unauthenticated 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: 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 unauthenticated 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 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/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-2018-2761?
CVE-2018-2761 is classified as a difficult-to-exploit vulnerability that affects certain versions of MySQL server.
How do I fix CVE-2018-2761?
To remediate CVE-2018-2761, upgrade to MySQL versions 5.5.60, 5.6.40, or 5.7.22.
Which MySQL versions are vulnerable to CVE-2018-2761?
MySQL versions 5.5.59 and prior, 5.6.39 and prior, and 5.7.21 and prior are affected by CVE-2018-2761.
Can CVE-2018-2761 be exploited remotely?
Yes, CVE-2018-2761 can potentially be exploited by an unauthenticated remote attacker.
Are there any specific platforms affected by CVE-2018-2761?
CVE-2018-2761 affects MySQL installations on various platforms including Debian and Red Hat distributions.