Denial of service in Oracle TNSLSNR SQL*Net Listener via a malformed string to the listener port, aka NERP.
Priority LOW 28Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Denial of service in Oracle TNSLSNR SQL*Net Listener via a malformed string to the listener port, aka NERP.
Why it matters now
EPSS 0.02828 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-0784
- 2026-10-03 Alias added: GHSA-5g3f-rxgg-3554
References
More Oracle Database Server vulnerabilities
- TI-2009-01887 Unspecified vulnerability in the Network Authentication component in Oracle Database… CVSS 2.0HIGH 10.0
- TI-2002-00816 Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before… CVSS 2.0MEDIUM 6.8
- TI-2012-01463 The TNS Listener, as used in Oracle Database 11g 11.1.0.7, 11.2.0.2, and 11.2.0.3, and… CVSS 2.0HIGH 7.5
- TI-2010-03429 Unspecified vulnerability in the Client System Analyzer component in Oracle Database… CVSS 2.0HIGH 7.5
- TI-2006-00277 Unspecified vulnerability in the Oracle HTTP Server component of Oracle Database Server… CVSS 2.0HIGH 10.0
- TI-2018-10571 FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to execute… CVSS 3.1CRITICAL 9.8
Sources
- CVE-1999-0784 · CVE Program
- CVE-1999-0784 · NVD
- FIRST EPSS
- GHSA-5g3f-rxgg-3554 · GitHub Advisory Database · CC BY 4.0
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