EIP-2026-118753

PRE-CVE

MailMax 4.6 - POP3 'USER' Remote Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118753. PoCs published by localh0t.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in MailMax <=v4.6 POP3 server via the USER command. It leverages a hardcoded return address and lowercase shellcode to achieve remote code execution, binding a shell on port 4444.

Description

MailMax 4.6 - POP3 'USER' Remote Buffer Overflow

Exploits (1)

exploitdb WORKING POC
by localh0t · pythonremotewindows
https://www.exploit-db.com/exploits/18683

This exploit targets a buffer overflow vulnerability in MailMax <=v4.6 POP3 server via the USER command. It leverages a hardcoded return address and lowercase shellcode to achieve remote code execution, binding a shell on port 4444.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: MailMax <=v4.6
No auth needed
Prerequisites: Network access to the target POP3 server · DEP disabled on the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026