CVE-2026-101725: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: C API). 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. Easily exploitable vulnerability allows low 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 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
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 can exploit this issue?
An attacker needs network access to the affected MySQL Server or MySQL Cluster instance and low-level privileges. No user interaction is required, and the issue is described as exploitable through multiple protocols.
What is the practical impact of a successful attack?
A successful attack can cause the affected MySQL Server or MySQL Cluster to hang or crash repeatedly, resulting in a complete denial of service. The provided CVSS information indicates no confidentiality or integrity impact.
Which deployments should be prioritized for remediation?
Prioritize affected MySQL Server and MySQL Cluster deployments that are reachable over the network by low-privileged users. Affected versions include MySQL Server 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, and 26.7.0 through 26.7.1; and MySQL Cluster 8.0.0 through 8.0.49 as well as the listed 8.4, 9.7, and 26.7 version ranges.