The Nullsoft Modern Skins Support module (gen_ff.dll) in Nullsoft Winamp before 5.552 allows remote attackers to execute arbitrary code via a crafted MAKI file, which triggers an incorrect sign extension, an integer overflow, and a stack-based buffer overflow.
Conclusion & alert: CVE-2009-1831 is rated High Exploit Risk (84.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 81.17%, 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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 21256 | exploit_db | edb | 2012-09-12 | Exploit-DB ↗ |
| 8783 | exploit_db | edb | 2009-05-26 | Exploit-DB ↗ |
| 8770 | exploit_db | edb | 2009-05-22 | Exploit-DB ↗ |
| 8772 | exploit_db | edb | 2009-05-22 | Exploit-DB ↗ |
| 8767 | exploit_db | edb | 2009-05-22 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-03-30 | 83.20% | 81.17% | -2.03% |
| 2 | 2025-03-29 | 81.17% | 83.20% | +2.03% |
| 3 | 2025-03-17 | — | 81.17% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| nullsoft | winamp | <= 5.55 | cpe:2.3:a:nullsoft:winamp:*:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.0 | cpe:2.3:a:nullsoft:winamp:2.0:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.4 | cpe:2.3:a:nullsoft:winamp:2.4:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.5e | cpe:2.3:a:nullsoft:winamp:2.5e:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.6x | cpe:2.3:a:nullsoft:winamp:2.6x:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.7x | cpe:2.3:a:nullsoft:winamp:2.7x:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.10 | cpe:2.3:a:nullsoft:winamp:2.10:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.24 | cpe:2.3:a:nullsoft:winamp:2.24:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.50 | cpe:2.3:a:nullsoft:winamp:2.50:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.60 | cpe:2.3:a:nullsoft:winamp:2.60:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.60 | cpe:2.3:a:nullsoft:winamp:2.60:*:full:*:*:*:*:* |
| nullsoft | winamp | 2.60 | cpe:2.3:a:nullsoft:winamp:2.60:*:lite:*:*:*:*:* |
| nullsoft | winamp | 2.61 | cpe:2.3:a:nullsoft:winamp:2.61:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.61 | cpe:2.3:a:nullsoft:winamp:2.61:*:full:*:*:*:*:* |
| nullsoft | winamp | 2.62 | cpe:2.3:a:nullsoft:winamp:2.62:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.62 | cpe:2.3:a:nullsoft:winamp:2.62:*:standard:*:*:*:*:* |
| nullsoft | winamp | 2.64 | cpe:2.3:a:nullsoft:winamp:2.64:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.64 | cpe:2.3:a:nullsoft:winamp:2.64:*:standard:*:*:*:*:* |
| nullsoft | winamp | 2.65 | cpe:2.3:a:nullsoft:winamp:2.65:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.70 | cpe:2.3:a:nullsoft:winamp:2.70:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.70 | cpe:2.3:a:nullsoft:winamp:2.70:*:full:*:*:*:*:* |
| nullsoft | winamp | 2.71 | cpe:2.3:a:nullsoft:winamp:2.71:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.72 | cpe:2.3:a:nullsoft:winamp:2.72:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.73 | cpe:2.3:a:nullsoft:winamp:2.73:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.73 | cpe:2.3:a:nullsoft:winamp:2.73:*:full:*:*:*:*:* |
| nullsoft | winamp | 2.74 | cpe:2.3:a:nullsoft:winamp:2.74:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.75 | cpe:2.3:a:nullsoft:winamp:2.75:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.76 | cpe:2.3:a:nullsoft:winamp:2.76:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.77 | cpe:2.3:a:nullsoft:winamp:2.77:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.78 | cpe:2.3:a:nullsoft:winamp:2.78:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.79 | cpe:2.3:a:nullsoft:winamp:2.79:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.80 | cpe:2.3:a:nullsoft:winamp:2.80:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.81 | cpe:2.3:a:nullsoft:winamp:2.81:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.90 | cpe:2.3:a:nullsoft:winamp:2.90:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.91 | cpe:2.3:a:nullsoft:winamp:2.91:*:*:*:*:*:*:* |
| nullsoft | winamp | 2.95 | cpe:2.3:a:nullsoft:winamp:2.95:*:*:*:*:*:*:* |
| 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 | cpe:2.3:a:nullsoft:winamp:5.0:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.01 | cpe:2.3:a:nullsoft:winamp:5.01:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.1 | cpe:2.3:a:nullsoft:winamp:5.1:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.02 | cpe:2.3:a:nullsoft:winamp:5.02:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.2 | cpe:2.3:a:nullsoft:winamp:5.2:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.3 | cpe:2.3:a:nullsoft:winamp:5.3:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.03 | cpe:2.3:a:nullsoft:winamp:5.03:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.03a | cpe:2.3:a:nullsoft:winamp:5.03a:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.04 | cpe:2.3:a:nullsoft:winamp:5.04:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.05 | cpe:2.3:a:nullsoft:winamp:5.05:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.5 | cpe:2.3:a:nullsoft:winamp:5.5:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.06 | cpe:2.3:a:nullsoft:winamp:5.06:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.07 | cpe:2.3:a:nullsoft:winamp:5.07:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.08 | cpe:2.3:a:nullsoft:winamp:5.08:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.08 | cpe:2.3:a:nullsoft:winamp:5.08:c:*:*:*:*:*:* |
| nullsoft | winamp | 5.08 | cpe:2.3:a:nullsoft:winamp:5.08:d:*:*:*:*:*:* |
| nullsoft | winamp | 5.08 | cpe:2.3:a:nullsoft:winamp:5.08:e:*:*:*:*:*:* |
| nullsoft | winamp | 5.08c | cpe:2.3:a:nullsoft:winamp:5.08c:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.08d | cpe:2.3:a:nullsoft:winamp:5.08d:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.08e | cpe:2.3:a:nullsoft:winamp:5.08e:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.09 | cpe:2.3:a:nullsoft:winamp:5.09:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.11 | cpe:2.3:a:nullsoft:winamp:5.11:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.12 | cpe:2.3:a:nullsoft:winamp:5.12:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.13 | cpe:2.3:a:nullsoft:winamp:5.13:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.21 | cpe:2.3:a:nullsoft:winamp:5.21:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.22 | cpe:2.3:a:nullsoft:winamp:5.22:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.23 | cpe:2.3:a:nullsoft:winamp:5.23:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.24 | cpe:2.3:a:nullsoft:winamp:5.24:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.31 | cpe:2.3:a:nullsoft:winamp:5.31:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.32 | cpe:2.3:a:nullsoft:winamp:5.32:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.33 | cpe:2.3:a:nullsoft:winamp:5.33:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.34 | cpe:2.3:a:nullsoft:winamp:5.34:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.35 | cpe:2.3:a:nullsoft:winamp:5.35:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.36 | cpe:2.3:a:nullsoft:winamp:5.36:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.51 | cpe:2.3:a:nullsoft:winamp:5.51:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.52 | cpe:2.3:a:nullsoft:winamp:5.52:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.53 | cpe:2.3:a:nullsoft:winamp:5.53:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.54 | cpe:2.3:a:nullsoft:winamp:5.54:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.091 | cpe:2.3:a:nullsoft:winamp:5.091:*:*:*:*:*:*:* |
| nullsoft | winamp | 5.093 | cpe:2.3:a:nullsoft:winamp:5.093:*:*:*:*:*:*:* |