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CVE-2026-101510: Easily exploitable vulnerability allows high privileged attacker having None privilege with logon to the infrastructure where Oracle Net Services executes 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. in Oracle Corporation Oracle Net Services

0
Medium
VulnerabilityCVE-2026-101510cvecve-2026-101510
Published: 10/20/2026 (10/20/2026, 21:21:16 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle Net Services

Description

Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows high privileged attacker having None privilege with logon to the infrastructure where Oracle Net Services executes 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

CVSS v3.1

Score 4.4medium

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected software

Oracle Corporation

Oracle Net Services

Affected versions
>=19.3 <=19.32>=21.3 <=21.23>=23.4.0 <=23.26.3

Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-09-28T15:40:09.488Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","vendor":"Oracle"}]

Threat ID: 6ad7deb52cdf04f6566367de

Added to database: 10/20/2026, 21:35:49 UTC

Last updated: 10/20/2026, 21:50:00 UTC

Views: 3

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