CVE-2019-2993: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: C API). Supported versions that are affected are 5.7.27 and prior and 8.0.17 and prior. Difficult to exploit 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/cpuoct2019-5072832.html
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: C API). Supported versions that are affected are 5.7.27 and prior and 8.0.17 and prior. Difficult to exploit 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/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-2019-2993?
CVE-2019-2993 has been classified as a difficult to exploit vulnerability affecting certain versions of MySQL Server.
How does CVE-2019-2993 allow exploitation?
CVE-2019-2993 allows low privileged attackers to gain unauthorized access via multiple network protocols.
Which versions of MySQL are affected by CVE-2019-2993?
Affected versions by CVE-2019-2993 are MySQL 5.7.27 and prior, as well as 8.0.17 and prior.
How do I fix CVE-2019-2993?
To resolve CVE-2019-2993, upgrade to MySQL version 5.7.28 or later, or 8.0.18 or later.
What components are impacted by CVE-2019-2993?
CVE-2019-2993 impacts the MySQL Server product specifically within the C API component.