CVE-2026-101679
Received
Received - Intake
Heap-based Buffer Overflow in MySQL Server
Vulnerability report for CVE-2026-101679, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-20
Last updated on: 2026-10-20
Assigner: Oracle
Description
Description
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. Easily exploitable vulnerability allows unauthenticated 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 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Oracle | Corporation | MySQL Server 8.4.0-8.4.12 |
| Oracle | Corporation | MySQL Server 9.7.0-9.7.3 |
| Oracle | Corporation | MySQL Server 26.7.0-26.7.1 |
| Oracle | Corporation | MySQL Cluster 8.0.0-8.0.49 |
| Oracle | Corporation | MySQL Cluster 8.4.0-8.4.12 |
| Oracle | Corporation | MySQL Cluster 9.7.0-9.7.3 |
| Oracle | Corporation | MySQL Cluster 26.7.0-26.7.1 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
