OracleCVE-2026-83333
Oracle Database Server: resource exhaustion
High7.5CVE-2026-83333 · Published Sep 15, 2026 · updated Sep 16, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| Oracle Database Server Product | >= 23.4.0, <= 23.26.3 | 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:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-400
More Oracle advisories
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|---|---|---|---|
| Sep 15 | Oracle GraalVM for JDK: takeover via Compiler | High8.1 | No fix yet |
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| Sep 15 | Oracle GraalVM for JDK: takeover via Compiler | High8.1 | No fix yet |
| Sep 15 | Oracle VM VirtualBox: flaw in Core | Low3.2 | No fix yet |
| Sep 15 | Oracle VM VirtualBox: denial of service via Core | Medium6.0 | No fix yet |
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