CVE-2026-21964
BaseFortify
Publication date: 2026-01-20
Last updated on: 2026-01-29
Assigner: Oracle
Description
Description
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 ID | Description |
|---|---|
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Thread Pooling component of Oracle MySQL Server versions 8.0.0-8.0.44, 8.4.0-8.4.7, and 9.0.0-9.5.0. It allows a high privileged attacker with network access via multiple protocols to exploit the server easily. Successful exploitation can cause the MySQL Server to hang or crash repeatedly, resulting in a denial of service (DoS) condition.
How can this vulnerability impact me? :
The impact of this vulnerability is a denial of service (DoS) attack on the MySQL Server. An attacker with high privileges and network access can cause the server to hang or crash frequently, disrupting availability and potentially causing downtime for applications relying on the database.