CVE-2004-1558

NONECVSS 0.0Weaponized

0.0

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 v3: —
EG Score: —
EPSS: 99.4%
KEV: Not listed

Published

December 31, 2004

Last Modified

April 16, 2026

References (22)

cve@mitrehttp://dbeusee.home.comcast.net/history.html
cve@mitrehttp://marc.info/?l=bugtraq&m=109630699829536&w=2
cve@mitrehttp://secunia.com/advisories/12660
cve@mitrehttp://securitytracker.com/alerts/2004/Sep/1011426.html
cve@mitrehttp://www.attrition.org/pipermail/vim/2006-October/001089.html
cve@mitrehttp://www.hat-squad.com/en/000075.html
cve@mitrehttp://www.osvdb.org/10366
cve@mitrehttp://www.osvdb.org/10367
cve@mitrehttp://www.securityfocus.com/bid/11256
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/17515
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/17518
af854a3a-2127-422b-91ae-364da2661108http://dbeusee.home.comcast.net/history.html
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=109630699829536&w=2
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/12660
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/alerts/2004/Sep/1011426.html

Data Freshness Timeline

(refreshed 7× in last 7d / 10× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-16818✓ verified
First seen May 9, 2010
YahooPOPs (YPOPS) 0.6 - Remote Buffer Overflow (Metasploit)
Open source ↗
Exploit-DBEDB-582✓ verified
First seen Oct 18, 2004
YahooPOPs 1.6 - SMTP Remote Buffer Overflow
Open source ↗
Exploit-DBEDB-577✓ verified
First seen Oct 15, 2004
YahooPOPs 1.6 - SMTP Port Buffer Overflow
Open source ↗
Metasploitexploit/windows/smtp/ypops_overflow1✓ verified
First seen Sep 27, 2004
YPOPS 0.6 Buffer Overflow
Open source ↗

Frequently asked(4)

What is CVE-2004-1558?

CVE-2004-1558 is a none vulnerability published on December 31, 2004. 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.

When was CVE-2004-1558 disclosed?

CVE-2004-1558 was first published in the National Vulnerability Database on December 31, 2004, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2004-1558 actively exploited?

CVE-2004-1558 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-1558?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-1558, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2004-1558

📅 Published

🔄 Last Modified

🔗 References (22)