Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the RDBMS executes to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.oracle.com/security-alerts/cpuoct2026.html |
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History
Sat, 24 Oct 2026 04:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 21 Oct 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Oracle database Server
Oracle Corporation Oracle Corporation oracle Database Server |
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| Vendors & Products |
Oracle database Server
Oracle Corporation Oracle Corporation oracle Database Server |
Wed, 21 Oct 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Unauthenticated Physical Layer Exploit Allowing Denial of Service on Oracle Database Server | |
| Weaknesses | CWE-400 CWE-730 |
Tue, 20 Oct 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the RDBMS executes to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). | |
| First Time appeared |
Oracle
Oracle database - Rdbms |
|
| CPEs | cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Oracle
Oracle database - Rdbms |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: oracle
Published: 2026-10-20T21:26:10.802Z
Updated: 2026-10-24T03:19:30.401Z
Reserved: 2026-09-14T22:10:16.637Z
Link: CVE-2026-91479
Updated: 2026-10-24T03:19:26.040Z
Status : Awaiting Analysis
Published: 2026-10-20T22:20:51.460
Modified: 2026-10-24T04:18:23.867
Link: CVE-2026-91479
No data.