CVE-2004-1896

Heap-based buffer overflow in in_mod.dll in Nullsoft Winamp 2.91 through 5.02 allows remote attackers to execute arbitrary code via a Fasttracker 2 (.xm) mod media file.

Published: 2004-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1896 is rated Moderate Risk (57.4/100): CVSS High severity, with high exploitation likelihood (EPSS 5.15%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2004-1896

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 2026-06-15 24.91% 5.15% -19.76%
2 2025-03-30 25.26% 24.91% -0.36%
3 2025-03-29 25.26%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1896

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 2.0 HIGH
AV:N/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
4.9 10.0 [email protected]

Weakness enumeration for CVE-2004-1896

Affected software / configurations for CVE-2004-1896

Vendor Product Version Raw CPE
nullsoft winamp 2.91 cpe:2.3:a:nullsoft:winamp:2.91:*:*:*:*:*:*:*
nullsoft winamp 3.0 cpe:2.3:a:nullsoft:winamp:3.0:*:*:*:*:*:*:*
nullsoft winamp 3.1 cpe:2.3:a:nullsoft:winamp:3.1:*:*:*:*:*:*:*
nullsoft winamp 5.0.1 cpe:2.3:a:nullsoft:winamp:5.0.1:*:*:*:*:*:*:*
nullsoft winamp 5.0.2 cpe:2.3:a:nullsoft:winamp:5.0.2:*:*:*:*:*:*:*

References for CVE-2004-1896

cvelogic Threat Intelligence