CVE-2019-2757: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.7.26 and prior and 8.0.16 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/cpujul2019-5072835.html
— Red Hat
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.7.26 and prior and 8.0.16 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-2019-2757?
CVE-2019-2757 is categorized as an easily exploitable vulnerability that allows high privileged attackers with network access.
How do I fix CVE-2019-2757?
To fix CVE-2019-2757, upgrade MySQL Server to version 5.7.27 or 8.0.17 or later.
Which MySQL versions are affected by CVE-2019-2757?
CVE-2019-2757 affects MySQL versions 5.7.26 and prior, and 8.0.16 and prior.
What types of systems are vulnerable to CVE-2019-2757?
CVE-2019-2757 impacts systems running MySQL Server, including various Linux distributions such as Ubuntu and Red Hat.
Is CVE-2019-2757 a local or remote vulnerability?
CVE-2019-2757 is a remote vulnerability that can be exploited over a network connection.