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HIGH

Vulnerability in the Oracle Net Services component of Oracle Database Server

Published Sep 15, 2026

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

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-400

Uncontrolled Resource Consumption

References (1)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner oracle
Published Sep 15, 2026
Updated Sep 15, 2026
Reserved Aug 31, 2026
Link CVE-2026-83333
CISA Vulnrichment
Updated Sep 15, 2026
NVD
Status Awaiting Analysis
Modified Sep 16, 2026
Link CVE-2026-83333
Red Hat
Severity n/a
Public date n/a
Links CVE-2026-83333