CVE-2026-101777: 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: 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable 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 and unauthorized read access to a subset of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/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 vulnerability?
An attacker needs high privileges and network access to the affected MySQL Server or MySQL Cluster instance. No user interaction is required, and the vulnerability is described as easily exploitable through multiple protocols.
Which versions are affected?
Affected MySQL Server versions are 9.7.0 through 9.7.3 and 26.7.0 through 26.7.1. Affected MySQL Cluster versions are 9.7.0 through 9.7.3 and 26.7.0 through 26.7.1.
What could a successful attack do?
A successful attack can cause a hang or a frequently repeatable crash resulting in complete denial of service. It can also allow unauthorized reading of a subset of data accessible to the affected MySQL Server or MySQL Cluster.