CVE-2019-2737: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server : Pluggable Auth). Supported versions that are affected are 5.6.44 and prior, 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 : Pluggable Auth). Supported versions that are affected are 5.6.44 and prior, 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-2019-2737?
CVE-2019-2737 is classified as an easily exploitable vulnerability that allows for high privileged attacks on vulnerable MySQL server installations.
How do I fix CVE-2019-2737?
To fix CVE-2019-2737, upgrade MySQL Server to version 5.6.45, 5.7.27, or 8.0.17, or apply the appropriate MariaDB updates.
Which MySQL versions are affected by CVE-2019-2737?
CVE-2019-2737 affects MySQL versions 5.6.44 and prior, 5.7.26 and prior, and 8.0.16 and prior.
Is CVE-2019-2737 applicable to MariaDB?
Yes, CVE-2019-2737 also affects certain versions of MariaDB, specifically those prior to 5.5.65, 10.1.41, 10.2.26, 10.3.17, and 10.4.7.
What can an attacker do if they exploit CVE-2019-2737?
If exploited, an attacker can gain high-level privileges, potentially compromising the MySQL database and its data.