CVE-2026-101510

Oracle Net Services Denial of Service via Hang or Crash

Published Oct 20, 2026 CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Oracle Net Services Denial of Service via Hang or Crash
Weaknesses CWE-400
CWE-730
Type Values Removed Values Added
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).
First Time appeared Oracle
Oracle net Services
CPEs cpe:2.3:a:oracle:net_services:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle net Services
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Nov 5, 2026, 4:07 PM
Reserved
Sep 28, 2026, 3:40 PM
Status
Awaiting Analysis
Published
Oct 20, 2026, 10:18 PM
Modified
Nov 5, 2026, 5:17 PM