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OpenAdvisories
Medium · 6.5 CVE-2026-83347 EUVD-2026-79700GHSA-rfc8-ww65-r55w

Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easi…

Published Sep 15, 2026 · Updated Sep 18, 2026 · Assigned by oracle

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 TCPS to compromise Oracle Net Services. Successful attacks require human interaction from a person other than the attacker. 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).

Affected products

VendorProductAffectedFixed
Oracle Oracle Database Server 23.4.0 – ≤ 23.26.3 —

Advisories 2

References