CVE-2019-2805: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Parser). 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: Parser). 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-2019-2805?
CVE-2019-2805 is considered easily exploitable and poses a significant risk, affecting low privileged attackers with network access.
How do I fix CVE-2019-2805?
To mitigate CVE-2019-2805, upgrade MySQL Server to version 5.6.45, 5.7.27, 8.0.17, or appropriate MariaDB versions as specified.
Which versions of MySQL are affected by CVE-2019-2805?
CVE-2019-2805 affects MySQL versions 5.6.44 and prior, 5.7.26 and prior, and 8.0.16 and prior.
Can CVE-2019-2805 affect MariaDB installations?
Yes, CVE-2019-2805 also affects MariaDB versions 5.5.64 and prior, with specific versions needing upgrades as outlined.
What actions should be taken if my system is vulnerable to CVE-2019-2805?
If your system is vulnerable to CVE-2019-2805, you should immediately upgrade to the remedied versions of MySQL or MariaDB to secure your system.