CVE-1999-0126

xfree86 - Buffer Overflow in xterm and Xaw

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-1999-0126. PoCs published by David Hedley.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in X11R6.3 xterm on Solaris 5.5.1. It uses a stack-based overflow with SPARC shellcode to execute arbitrary commands, specifically spawning a shell.

Description

SGI IRIX buffer overflow in xterm and Xaw allows root access.

Exploits (1)

exploitdb WORKING POC VERIFIED

by David Hedley · clocalsolaris

https://www.exploit-db.com/exploits/338

View Code ZIP pw:eip

This exploit targets a buffer overflow vulnerability in X11R6.3 xterm on Solaris 5.5.1. It uses a stack-based overflow with SPARC shellcode to execute arbitrary commands, specifically spawning a shell.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: X11R6.3 xterm on Solaris 5.5.1

No auth needed

Prerequisites: Vulnerable version of xterm running on Solaris 5.5.1 · Ability to execute the exploit binary on the target system

MITRE ATT&CK

T1059 - Command and Scripting Interpreter T1068 - Exploitation for Privilege Escalation

devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1

Core References

Third Party Advisory, US Government Resource third-party-advisory government-resource x_refsource_ciac

http://www.ciac.org/ciac/bulletins/j-010.shtml

Scores

EPSS 0.0080

EPSS Percentile 51.8%

Details

Status published

Products (1)

xfree86_project/xfree86

Published May 03, 1998

Tracked Since Feb 18, 2026