Is CVE-2004-1558 actively exploited?

CVE-2004-1558 has no public evidence of in-the-wild exploitation as of 2026-04-16.

What is the CVSS score for CVE-2004-1558?

CVE-2004-1558 has a CVSS score of 7.5 (UNKNOWN severity). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P.

How do I patch CVE-2004-1558?

Patch guidance is available from ypops security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2004-1558.

CVE-2004-1558 - remediation guidance & executive summary

Q: Which products are affected by CVE-2004-1558?

9 products: ypops ypops, ypops ypops, ypops ypops, ypops ypops, ypops ypops, and 4 more.

Description

Multiple stack-based buffer overflows in YPOPs! (aka YahooPOPS) 0.4 through 0.6 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long (1) POP3 USER command or (2) SMTP request.

CVSS Metrics

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector: network
Access Cmplx: low
Auth: none
Confidentiality: partial
Integrity: partial
Availability: partial
Weaknesses: NVD-CWE-Other

Metadata

Primary Vendor: YPOPS
Published: 12/31/2004
Last Modified: 4/16/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

ypops : ypopsypops : ypopsypops : ypopsypops : ypopsypops : ypopsypops : ypopsypops : ypopsypops : ypopsypops : ypops

Remediation Guidance

Executive Summary

View on NIST NVD