Description
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. 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).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | Oracle Database Server | 23.4.0 – ≤ 23.26.3 | — |
Advisories 2
- NCSC-2026-0373 Kwetsbaarheden verholpen in Oracle Database Producten NCSC-NL (Netherlands) · Sep 16, 2026
- WID-SEC-2026-3391 Oracle Database Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 15, 2026
References
- Oracle Advisory vendor-advisory