Oracle Database Server: resource exhaustion
High8.2CVE-2026-47046 · Published Jul 21, 2026 · updated Aug 6, 2026
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS as well as unauthorized update, insert or delete access to some of RDBMS accessible data. CVSS 3.1 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H).
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Oracle Database Server Product | >= 23.4.0, <= 23.26.2 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-400
More Oracle advisories
All Oracle| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 21 | Oracle HRMS (US): takeover via Internal Operations | High7.8 | No fix yet |
| Jul 21 | Oracle HRMS (US): data exposure via Internal Operations | Medium6.5 | No fix yet |
| Jul 21 | Oracle Work in Process: data tampering via Internal Operations | Medium5.4 | No fix yet |
| Jul 21 | Oracle HRMS (US): data tampering via US Payroll Year End | High7.1 | No fix yet |
| Jul 21 | Oracle HRMS (UK): data exposure via UK Payroll | High7.7 | No fix yet |
| Jul 21 | Oracle Java SE: takeover via Install | High7.8 | No fix yet |