CVE-2026-34272: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 9.0.0-9.6.0. 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 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-34272?
CVE-2026-34272 is considered an easily exploitable vulnerability that poses significant risk to MySQL Server.
How do I fix CVE-2026-34272?
To fix CVE-2026-34272, update MySQL Server to a version beyond 9.6.0.
Which versions of MySQL Server are affected by CVE-2026-34272?
MySQL Server versions from 9.0.0 to 9.6.0 are impacted by CVE-2026-34272.
Who is affected by CVE-2026-34272?
Low privileged attackers with network access may exploit CVE-2026-34272 to compromise MySQL Server.
What component of MySQL Server is vulnerable in CVE-2026-34272?
CVE-2026-34272 affects the Server: Optimizer component of MySQL Server.