EIP-2026-103889

PRE-CVE

Cyrus IMAPD 2.3.2 - 'pop3d' Remote Buffer Overflow (2)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103889. PoCs published by bannedit.

AI-analyzed exploit summary This Ruby exploit targets a stack-based buffer overflow in cyrus-imapd's pop3d service, leveraging a write-anywhere condition to overwrite the GOT table with shellcode, bypassing VA randomization. It includes a Metasploit bind shellcode for remote command execution on port 4444.

Description

Cyrus IMAPD 2.3.2 - 'pop3d' Remote Buffer Overflow (2)

Exploits (1)

exploitdb WORKING POC VERIFIED
by bannedit · rubyremotemultiple
https://www.exploit-db.com/exploits/2053

This Ruby exploit targets a stack-based buffer overflow in cyrus-imapd's pop3d service, leveraging a write-anywhere condition to overwrite the GOT table with shellcode, bypassing VA randomization. It includes a Metasploit bind shellcode for remote command execution on port 4444.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: cyrus-imapd pop3d (version not specified)
No auth needed
Prerequisites: Network access to the target's POP3 service (port 110) · Target running a vulnerable version of cyrus-imapd
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026