Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/Python). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to com…
CVE-2026-21964
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).
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| oracle | mysql | 8.0.0 – ≤ 8.0.44 | |
| Oracle Corporation | MySQL Server | 8.0.0 – ≤ 8.0.44, 8.4.0 – ≤ 8.4.7, 9.0.0 – ≤ 9.5.0 |
References and patches
- Oracle Advisory vendor-advisoryVendor Advisory
CPE matches (NVD) (3)
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*≥ 8.0.0 ≤ 8.0.44cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*≥ 8.4.0 ≤ 8.4.7cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*≥ 9.0.0 ≤ 9.5.0