CVE-2026-46835

HIGH

Oracle Database Server < 23.26.2 - Denial of Service

Title source: rule
STIX 2.1

Description

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).

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
Oracle Advisory
https://www.oracle.com/security-alerts/cspumay2026.html

Scores

CVSS v3 7.5
EPSS 0.0027
EPSS Percentile 18.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (2)
oracle/database_server 23.4.0 - 23.26.2
Oracle Corporation/Oracle Database Server 23.4.0 - 23.26.2
Published May 28, 2026
Tracked Since May 29, 2026