CVE-2026-101510

MediumCVSS 4.4/10Last modified Nov 5, 2026

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).

Metrics

CVSS 3.1 4.4/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Oracle Corporation	Oracle Net Services	>= 19.3, <= 19.32; >= 21.3, <= 21.23; >= 23.4.0, <= 23.26.3

References

https://www.oracle.com/security-alerts/cpuoct2026.html

Timeline

Published: Oct 20, 2026
Last modified: Nov 5, 2026
NVD status: Awaiting Analysis

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