CVE-2002-0454

Qpopper 4.0.3 - Denial of Service via Large String Input

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2002-0454. PoCs published by Jonas Frey.

AI-analyzed exploit summary This exploit demonstrates a denial of service vulnerability in Qualcomm's QPopper by sending a string longer than 2048 characters to the POP3 server on port 110, causing the service to crash.

Description

Qpopper (aka in.qpopper or popper) 4.0.3 and earlier allows remote attackers to cause a denial of service (CPU consumption) via a very large string, which causes an infinite loop.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Jonas Frey · textdosunix
https://www.exploit-db.com/exploits/21345

This exploit demonstrates a denial of service vulnerability in Qualcomm's QPopper by sending a string longer than 2048 characters to the POP3 server on port 110, causing the service to crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Qualcomm QPopper (versions affected by CVE-2002-0454)
No auth needed
Prerequisites: Network access to the target POP3 server (port 110)
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/262213
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/4295
Third Party Advisory vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/8458.php

Scores

EPSS 0.0518
EPSS Percentile 91.4%

Details

Status published
Products (4)
qualcomm/qpopper 4.0
qualcomm/qpopper 4.0.1
qualcomm/qpopper 4.0.2
qualcomm/qpopper 4.0.3
Published Aug 12, 2002
Tracked Since Feb 18, 2026