Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise MySQL Router. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Router. 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).
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.oracle.com/security-alerts/cspujun2026.html Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · oracleNVD modified 2026-10-25 23:10
Affected (CPE criteria) 1
cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:*
References 1
- https://www.oracle.com/security-alerts/cspujun2026.html Vendor Advisory