9.6
Critical
CVE-2026-71064 Vulnerability in the Portable Clusterware component of Oracle Database Server
Description
Vulnerability in the Portable Clusterware 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 unauthenticated attacker with access to the physical communication segment attached to the hardware where the Portable Clusterware executes to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Portable Clusterware. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Oracle Database Server 23.4 | 23.4.0 → 23.26.3 | No fix stated |
| Oracle Database Server 21.3 | 21.3 → 21.23 | No fix stated |
| Oracle Database Server 19.3 | 19.3 → 19.32 | No fix stated |
References
- Oracle Advisory www.oracle.com
Timeline
- Published
- Last modified
Other CVEs of Oracle Database Server
The 57 CVEs of Oracle Database Server →
CVE-2026-91615
Vulnerability in the Java VM component of Oracle Database Server
6.3
Medium
CVE-2026-91568
Vulnerability in the RDBMS component of Oracle Database Server
7.7
High
CVE-2026-91503
Vulnerability in the VPD component of Oracle Database Server
8.1
High
CVE-2026-91499
Vulnerability in the RDBMS component of Oracle Database Server
8.8
High