CVE-2026-83333: 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. in Oracle Corporation Oracle Database Server
A vulnerability in the Oracle Net Services component of Oracle Database Server affects supported versions 23.4.0 through 23.26.3. This vulnerability allows an unauthenticated attacker with network access via Oracle Net to cause a denial of service by hanging or repeatedly crashing Oracle Net Services. The CVSS 3.1 base score is 7.5, indicating a high severity impact on availability.
AI Analysis
Technical Summary
CVE-2026-83333 is a vulnerability in Oracle Net Services within Oracle Database Server versions 23.4.0 to 23.26.3. It allows an unauthenticated attacker with network access to cause a denial of service by hanging or repeatedly crashing the Oracle Net Services component. The vulnerability has a CVSS 3.1 score of 7.5 with an attack vector of network, low attack complexity, no privileges required, no user interaction, and impacts availability only.
Potential Impact
Successful exploitation results in denial of service (DoS) conditions by causing Oracle Net Services to hang or crash repeatedly. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Oracle has released security patches as part of its September 2026 Critical Security Patch Update. Customers are strongly advised to apply the available patches promptly to remediate this vulnerability. The vendor advisory emphasizes staying on actively supported versions and applying patches without delay. Patch status is confirmed as available via Oracle's Critical Security Patch Update.
CVE-2026-83333: 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. in Oracle Corporation Oracle Database Server
Description
A vulnerability in the Oracle Net Services component of Oracle Database Server affects supported versions 23.4.0 through 23.26.3. This vulnerability allows an unauthenticated attacker with network access via Oracle Net to cause a denial of service by hanging or repeatedly crashing Oracle Net Services. The CVSS 3.1 base score is 7.5, indicating a high severity impact on availability.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-83333 is a vulnerability in Oracle Net Services within Oracle Database Server versions 23.4.0 to 23.26.3. It allows an unauthenticated attacker with network access to cause a denial of service by hanging or repeatedly crashing the Oracle Net Services component. The vulnerability has a CVSS 3.1 score of 7.5 with an attack vector of network, low attack complexity, no privileges required, no user interaction, and impacts availability only.
Potential Impact
Successful exploitation results in denial of service (DoS) conditions by causing Oracle Net Services to hang or crash repeatedly. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Oracle has released security patches as part of its September 2026 Critical Security Patch Update. Customers are strongly advised to apply the available patches promptly to remediate this vulnerability. The vendor advisory emphasizes staying on actively supported versions and applying patches without delay. Patch status is confirmed as available via Oracle's Critical Security Patch Update.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-7w7c-wrr4-3jjw
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-83333"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07dd55bf5e2cf5ea32a8
Added to database: 09/16/2026, 03:07:09 UTC
Last enriched: 09/16/2026, 03:57:48 UTC
Last updated: 09/16/2026, 06:01:23 UTC
Views: 1
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