CVE-2026-101611: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/mysql-9.7to a version that resolves this vulnerability.Fixed in 9.7.4-2
Event History
Frequently Asked Questions
Who is realistically exposed to this issue?
MySQL Server and MySQL Cluster deployments running the listed affected versions are exposed if a high-privileged attacker can reach them over the network through one of the supported protocols. The issue affects the InnoDB component.
What access does an attacker need to exploit it?
An attacker needs network access and high privileges. Exploitation is rated difficult and does not require user interaction.
What is the expected impact of a successful attack?
A successful attack can cause the affected MySQL Server or MySQL Cluster instance to hang or crash repeatedly, resulting in a complete denial of service. No confidentiality or integrity impact is specified.
Which versions are affected?
Affected MySQL Server versions are 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1. Affected MySQL Cluster versions are 8.0.0 through 8.0.49, 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1.