Vulnerability in Net Service of Oracle Database Server
CVE-2026-46834

7.5HIGH

Key Information:

Vendor

Oracle
Status
Oracle Database Server
Vendor
CVE Published:
28 May 2026

What is CVE-2026-46834?

A vulnerability in the Net Service component of Oracle Database Server permits an unauthenticated attacker with network access via TLS to exploit the system. This weakness may lead to an unauthorized ability to induce a hang or recurrent crash in the Net Service, effectively causing a Denial of Service. Systems running Oracle Database Server versions 23.4.0 through 23.26.2 are affected, highlighting the importance of addressing this issue to maintain system availability.

Affected Version(s)

Oracle Database Server 23.4.0 <= 23.26.2

References

https://www.oracle.com/security-alerts/cspumay2026.html
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.