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Medium · 6.5 CVE-2026-91479 EUVD-2026-106724GHSA-mrvr-7hxf-gwhg

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable…

Published Oct 20, 2026 · Updated Oct 24, 2026 · Assigned by oracle

Description

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the RDBMS executes 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Affected products

VendorProductAffectedFixed
Oracle Oracle Database Server 23.4.0 – ≤ 23.26.3 —

Advisories 1

References