CVE-2026-46834
Analyzed Analyzed - Analysis Complete
Denial of Service in Oracle Database Server Net Service

Publication date: 2026-05-28

Last updated on: 2026-06-03

Assigner: Oracle

Description
Vulnerability in the Net Service component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Net Service. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Net Service. 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).
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Meta Information
Published
2026-05-28
Last Modified
2026-06-03
Generated
2026-06-19
AI Q&A
2026-05-29
EPSS Evaluated
2026-06-18
NVD
CVE-2026-46834
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
oracle database_server From 23.4.0 (inc) to 23.26.2 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.
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Executive Summary

This vulnerability exists in the Net Service component of Oracle Database Server versions 23.4.0 through 23.26.2. It is easily exploitable by an unauthenticated attacker who has network access via TLS. The attacker can compromise the Net Service, leading to a denial of service condition.

Specifically, a successful attack can cause the Net Service to hang or crash repeatedly, resulting in a complete denial of service.

Impact Analysis

The primary impact of this vulnerability is on the availability of the Oracle Database Server's Net Service component.

An attacker can cause the service to hang or crash repeatedly, leading to a complete denial of service (DoS). This means legitimate users may be unable to access the database services during an attack.

Compliance Impact

This vulnerability results in a denial of service (DoS) condition affecting the availability of the Net Service component in Oracle Database Server.

Since the vulnerability does not impact confidentiality or integrity, but only availability, it may affect compliance with standards and regulations that require high availability and service continuity, such as GDPR and HIPAA.

However, there is no direct information provided about specific compliance impacts or data breaches related to this vulnerability.

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