EIP-2026-103041

PRE-CVE

XFree86 4.2 - 'XLOCALEDIR' Local Buffer Overflow (3)

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103041. PoCs published by omega.

AI-analyzed exploit summary This exploit leverages a buffer overflow in XFree86 utilities by overflowing the XLOCALEDIR environment variable to achieve local privilege escalation. It uses shellcode to execute setuid(0) and spawn a root shell.

Description

XFree86 4.2 - 'XLOCALEDIR' Local Buffer Overflow (3)

Exploits (1)

exploitdb WORKING POC VERIFIED

by omega · clocallinux

https://www.exploit-db.com/exploits/22322

View Code ZIP pw:eip

This exploit leverages a buffer overflow in XFree86 utilities by overflowing the XLOCALEDIR environment variable to achieve local privilege escalation. It uses shellcode to execute setuid(0) and spawn a root shell.

Classification

Working Poc 95%

Attack Type

Lpe

Complexity

Moderate

Reliability

Reliable

Target: XFree86 4.2.0 (xlock)

No auth needed

Prerequisites: Local access to the target system · XFree86 4.2.0 with vulnerable xlock binary

MITRE ATT&CK

T1068 - Exploitation for Privilege Escalation T1203 - Exploitation for Client Execution

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

Details

Status pre_cve

Tracked Since Feb 18, 2026