EIP-2026-116013

PRE-CVE

Oracle 8 Server - 'TNSLSNR80.EXE' Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116013. PoCs published by [email protected].

AI-analyzed exploit summary This Perl script exploits a denial of service vulnerability in Oracle 8.0 on Windows NT 4.0 by sending malformed input to port 1521, causing the TNSLSNR80.EXE process to consume 100% CPU. The attack involves establishing a TCP connection and sending arbitrary data to trigger the vulnerability.

Description

Oracle 8 Server - 'TNSLSNR80.EXE' Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by [email protected] · perldoswindows
https://www.exploit-db.com/exploits/20779

This Perl script exploits a denial of service vulnerability in Oracle 8.0 on Windows NT 4.0 by sending malformed input to port 1521, causing the TNSLSNR80.EXE process to consume 100% CPU. The attack involves establishing a TCP connection and sending arbitrary data to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Oracle 8.0 on Windows NT 4.0
No auth needed
Prerequisites: Network access to the target Oracle server on port 1521
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026