Vulnerability in the Oracle Net Services component of Oracle Database Server. (CVE-2026-83347)
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Net Services. Successful attacks require human interaction from a person other than the attacker. 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
Vulnerability in the Oracle Net Services component of Oracle Database Server. (CVE-2026-83347)
Description
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Net Services. Successful attacks require human interaction from a person other than the attacker. 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
CVSS v3.1
Score 6.5medium
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-rfc8-ww65-r55w
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-83347"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07dc55bf5e2cf5ea328a
Added to database: 09/16/2026, 03:07:08 UTC
Last updated: 09/16/2026, 03:17:14 UTC
Views: 1
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