Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Net Services. Successful attacks require human interaction from a person other than the attacker. 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html |
|
History
Sun, 20 Sep 2026 08:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Denial of Service via Unauthenticated TCPS Access in Oracle Net Services |
Fri, 18 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Oracle Net Services Denial of Service via TCPS | |
| Weaknesses | CWE-770 | CWE-400 |
| Metrics |
ssvc
|
Thu, 17 Sep 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Oracle Net Services Denial of Service via TCPS | |
| Weaknesses | CWE-770 |
Tue, 15 Sep 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Net Services. Successful attacks require human interaction from a person other than the attacker. 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H). | |
| First Time appeared |
Oracle
Oracle database - E Net Services |
|
| CPEs | cpe:2.3:a:oracle:database_-_e_net_services:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Oracle
Oracle database - E Net Services |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-09-15T20:05:23.058Z
Updated: 2026-09-18T16:14:57.443Z
Reserved: 2026-08-31T15:40:57.354Z
Link: CVE-2026-83347
Updated: 2026-09-18T16:11:52.377Z
Status : Deferred
Published: 2026-09-15T20:18:48.133
Modified: 2026-09-18T17:17:03.790
Link: CVE-2026-83347
No data.