CVE-2019-2740: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: XML). 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 low 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: XML). 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 low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/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-2019-2740?
CVE-2019-2740 is rated as a critical vulnerability due to its potential impact on affected MySQL Server versions.
How do I fix CVE-2019-2740?
To remediate CVE-2019-2740, upgrade your MySQL Server to version 5.6.45, 5.7.27, or 8.0.17 or later.
Which versions of MySQL are affected by CVE-2019-2740?
CVE-2019-2740 affects MySQL versions 5.6.44 and earlier, 5.7.26 and earlier, and 8.0.16 and earlier.
Is MariaDB also affected by CVE-2019-2740?
Yes, certain versions of MariaDB are affected by CVE-2019-2740, including versions prior to 5.5.65 and between 10.1.41 and 10.4.7.
What are the potential risks of CVE-2019-2740?
CVE-2019-2740 could allow an attacker with low privileges to execute unauthorized code remotely, leading to data breaches or system compromise.