CVE-2004-1561

NONECVSS 0.0Weaponized

0.0

Buffer overflow in Icecast 2.0.1 and earlier allows remote attackers to execute arbitrary code via an HTTP request with a large number of headers.

CVSS v3: —
EG Score: —
EPSS: 99.3%
KEV: Not listed

Published

December 31, 2004

Last Modified

April 16, 2026

References (18)

cve@mitrehttp://aluigi.altervista.org/adv/iceexec-adv.txt
cve@mitrehttp://marc.info/?l=bugtraq&m=109640005127644&w=2
cve@mitrehttp://marc.info/?l=bugtraq&m=109674593230539&w=2
cve@mitrehttp://secunia.com/advisories/12666/
cve@mitrehttp://securitytracker.com/id?1011439
cve@mitrehttp://www.osvdb.org/10446
cve@mitrehttp://www.securiteam.com/exploits/6X00315BFM.html
cve@mitrehttp://www.securityfocus.com/bid/11271
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/17538
af854a3a-2127-422b-91ae-364da2661108http://aluigi.altervista.org/adv/iceexec-adv.txt
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=109640005127644&w=2
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=109674593230539&w=2
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/12666/
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1011439
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/10446

Data Freshness Timeline

(refreshed 6× 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.

2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 19:43 UTCOSV refresh
2026-05-20 22:36 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(6 references)

Working exploit code is in the public domain (1 Metasploit module) (2 GitHub PoCs) (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCthel1nus/CVE-2004-1561-Notes
First seen May 28, 2021
My notes for CVE-2004-1561 IceCast exploitation
Open source ↗
GitHub PoCivanitlearning/CVE-2004-1561
First seen Mar 27, 2020
Icecast Header Overwrite buffer overflow RCE < 2.0.1 (Win32)
Open source ↗
Exploit-DBEDB-16763✓ verified
First seen Apr 30, 2010
Icecast 2.0.1 (Windows x86) - Header Overwrite (Metasploit)
Open source ↗
Exploit-DBEDB-573✓ verified
First seen Oct 12, 2004
Icecast 2.0.1 (Win32) - Remote Code Execution (2)
Open source ↗
Exploit-DBEDB-568✓ verified
First seen Oct 6, 2004
Icecast 2.0.1 (Win32) - Remote Code Execution (1)
Open source ↗
Metasploitexploit/windows/http/icecast_header✓ verified
First seen Sep 28, 2004
Icecast Header Overwrite
Open source ↗

Frequently asked(4)

What is CVE-2004-1561?

CVE-2004-1561 is a none vulnerability published on December 31, 2004. Buffer overflow in Icecast 2.0.1 and earlier allows remote attackers to execute arbitrary code via an HTTP request with a large number of headers.

When was CVE-2004-1561 disclosed?

CVE-2004-1561 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-2004-1561 actively exploited?

CVE-2004-1561 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-1561?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-1561, 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-2004-1561

📅 Published

🔄 Last Modified

🔗 References (18)