EIP-2026-103020

PRE-CVE

Top 1.x/2.0 - 'HOME Environment' Local Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103020. PoCs published by UHAGr.

AI-analyzed exploit summary This exploit leverages a buffer overflow in the `top` utility by manipulating environment variables to execute arbitrary shellcode. The shellcode performs a setuid(0) followed by an execve() to spawn a shell.

Description

Top 1.x/2.0 - 'HOME Environment' Local Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by UHAGr · clocallinux
https://www.exploit-db.com/exploits/22943

This exploit leverages a buffer overflow in the `top` utility by manipulating environment variables to execute arbitrary shellcode. The shellcode performs a setuid(0) followed by an execve() to spawn a shell.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: top (version unspecified, likely older Linux distributions)
No auth needed
Prerequisites: Access to a vulnerable system with `top` installed · Ability to set environment variables
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026