CVE-2026-101754: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs). 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 able to exploit this issue?
An attacker needs high privileges and network access to the affected MySQL Server or MySQL Cluster instance. The attack is described as difficult to exploit and may use multiple protocols.
What is the impact if exploitation succeeds?
Successful exploitation can cause the affected MySQL Server or MySQL Cluster service to hang or crash repeatedly, resulting in a complete denial of service. No confidentiality or integrity impact is stated.
Which deployments should be checked?
Check MySQL Server versions 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1. Check MySQL Cluster versions 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.