EUVD-2026-79703
GHSA-7r5w-6grx-f5xp
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from Vendor (oracle) · only source for this CVE.
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. 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).
AnalysisAI
Unauthenticated attackers with network reachability to the Oracle Net listener can hang or repeatedly crash Oracle Net Services on Oracle Database Server, cutting off client connectivity to the database. The affected releases are 21.3 through 21.23 and 23.4.0 through 23.26.3, and the flaw affects availability only — confidentiality and integrity are untouched. …
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Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
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