CVE-2019-3009: Medium severity Oracle MySQL vulnerability
Last updated 25 August 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Connection). Supported versions that are affected are 8.0.17 and prior. Difficult to exploit 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/cpuoct2019-5072832.html
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Connection). Supported versions that are affected are 8.0.17 and prior. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/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-2019-3009?
The severity of CVE-2019-3009 is categorized as difficult to exploit but allows high-privileged attackers with network access to compromise systems.
How do I fix CVE-2019-3009?
To fix CVE-2019-3009, upgrade your MySQL Server to version 8.0.18 or later.
Which MySQL versions are affected by CVE-2019-3009?
CVE-2019-3009 affects MySQL Server versions 8.0.17 and prior.
What types of systems are vulnerable to CVE-2019-3009?
Systems running affected versions of MySQL, including various distributions like Debian, Red Hat, and Ubuntu, are vulnerable to CVE-2019-3009.
Who can exploit CVE-2019-3009?
CVE-2019-3009 can be exploited by high-privileged attackers who have network access via multiple protocols.