CVE-2026-91479
Received Received - Intake

RDBMS Denial of Service in Oracle Database Server

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: 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).

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Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-10-21
EPSS Evaluated
N/A
NVD
CVE-2026-91479

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Oracle Corporation Oracle Database Server 23.4.0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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