CVE-2004-1561

Exp

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.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1561 is rated High Exploit Risk (78.8/100): CVSS High severity, with high exploitation likelihood (EPSS 81.88%, 99th percentile). Core evidence: 6 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2004-1561

EDB-ID Source Kind Published Link
16763 exploit_db edb 2010-04-30 Exploit-DB ↗
573 exploit_db edb 2004-10-12 Exploit-DB ↗
568 exploit_db edb 2004-10-06 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-1561

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-31 82.78% 81.88% -0.91%
2 2026-02-23 81.75% 82.78% +1.04%
3 2026-02-19 81.75%

Full EPSS history (22 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1561

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2004-1561

OS Trackers for CVE-2004-1561

vendor priority summary link
debian not yet assigned CVE-2004-1561 not yet assigned priority: Debian including 1 source packages (icecast2), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2004-1561

Affected software / configurations for CVE-2004-1561

Vendor Product Version Raw CPE
icecast icecast 2.0 cpe:2.3:a:icecast:icecast:2.0:*:*:*:*:*:*:*
icecast icecast 2.0.1 cpe:2.3:a:icecast:icecast:2.0.1:*:*:*:*:*:*:*

References for CVE-2004-1561

cvelogic Threat Intelligence