CVE-2026-101762: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Security: Encryption). 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 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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, but exploitation is rated difficult.
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. The supplied CVSS vector indicates no confidentiality or integrity impact.
Which deployments should be prioritized for remediation?
Prioritize network-accessible affected instances where low-privileged accounts can connect, particularly those running MySQL Server 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, or 26.7.0 through 26.7.1, or the listed affected MySQL Cluster releases.