CVE-2026-46834: High severity Oracle Oracle Database Server vulnerability
Vulnerability in the Net Service component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Net Service. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Net Service. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Oracle Database Server (Net Service)to a version that resolves this vulnerability.Fixed in 23.4.0-23.26.2
Event History
Frequently Asked Questions
What is the severity of CVE-2026-46834?
The severity of CVE-2026-46834 is rated as high with a CVSS score of 7.5.
How can I mitigate CVE-2026-46834?
To mitigate CVE-2026-46834, it is recommended to apply the latest security updates provided by Oracle for affected versions.
Who is affected by CVE-2026-46834?
CVE-2026-46834 affects users of Oracle Database Server versions 23.4.0-23.26.2.
What is the nature of the vulnerability in CVE-2026-46834?
CVE-2026-46834 is an easily exploitable vulnerability that allows an unauthenticated attacker with network access via TLS to compromise the Net Service component.
What impact can CVE-2026-46834 have on systems?
Successful exploitation of CVE-2026-46834 can lead to a complete compromise of the Net Service component in Oracle Database Server.