EIP-2026-118752

PRE-CVE

MailCarrier 2.51 - POP3 'USER' Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118752. PoCs published by Dino Covotsos.

AI-analyzed exploit summary This exploit demonstrates a remote buffer overflow in MailCarrier 2.51's POP3 USER command, leveraging a crafted payload to overwrite EIP and execute a Meterpreter bind shell on port 443. The exploit includes a NOP sled, shellcode, and a return address from msjet40.dll.

Description

MailCarrier 2.51 - POP3 'USER' Buffer Overflow

Exploits (1)

exploitdb WORKING POC
by Dino Covotsos · pythonremotewindows
https://www.exploit-db.com/exploits/46699

This exploit demonstrates a remote buffer overflow in MailCarrier 2.51's POP3 USER command, leveraging a crafted payload to overwrite EIP and execute a Meterpreter bind shell on port 443. The exploit includes a NOP sled, shellcode, and a return address from msjet40.dll.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: MailCarrier 2.51
No auth needed
Prerequisites: Network access to the target's POP3 service (port 110) · Target running MailCarrier 2.51 on Windows XP SP3
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026