CVE-2005-1520

GNU Mailutils < 0.6.90 - Remote Code Execution via Crafted Email Header

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-1520. PoCs published by infamous41md.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Gaucho Mail Client 1.4 by sending a malformed email with an overly long Content-Type header. It leverages SEH overwrites and shellcode execution to bind a shell on port 2001.

Description

Buffer overflow in the header_get_field_name function in header.c for GNU Mailutils 0.5 and 0.6, and other versions before 0.6.90, allows remote attackers to execute arbitrary code via a crafted e-mail.

Exploits (1)

exploitdb WORKING POC VERIFIED
by infamous41md · c++remotelinux
https://www.exploit-db.com/exploits/25706

This exploit targets a buffer overflow vulnerability in Gaucho Mail Client 1.4 by sending a malformed email with an overly long Content-Type header. It leverages SEH overwrites and shellcode execution to bind a shell on port 2001.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Gaucho Mail Client 1.4
No auth needed
Prerequisites: Network access to the target system · Target must be running Gaucho Mail Client 1.4 · Target must connect to a malicious POP3 server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1014052
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/13766
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/15442
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2005/dsa-732
Patch third-party-advisory x_refsource_idefense
http://www.idefense.com/application/poi/display?id=249&type=vulnerabilities

Scores

EPSS 0.1455
EPSS Percentile 94.6%

Details

Status published
Products (2)
gnu/mailutils 0.5
gnu/mailutils 0.6
Published May 26, 2005
Tracked Since Feb 18, 2026