CVE-2026-21964
Unknown
Unknown - Not Provided
BaseFortify
Vulnerability report for CVE-2026-21964, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-01-20
Last updated on: 2026-01-29
Assigner: Oracle
Description
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.0-8.0.44, 8.4.0-8.4.7 and 9.0.0-9.5.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| oracle | mysql | From 8.0.0 (inc) to 8.0.44 (inc) |
| oracle | mysql | From 8.4.0 (inc) to 8.4.7 (inc) |
| oracle | mysql | From 9.0.0 (inc) to 9.5.0 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-NVD-CWE-noinfo |
