Stack-based buffer overflow in Nullsoft Winamp 5.32 allows user-assisted remote attackers to execute arbitrary code via crafted unicode in a .mp4 file, with crafted tags, contained in a certain .rar archive, a related issue to CVE-2007-2498. NOTE: for exploitation, the victim must select a certain menu option at the time of the attack.
Conclusion & alert: CVE-2007-6403 is rated High Exploit Risk (73.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.73%). Core evidence: 1 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 |
|---|---|---|---|---|
| 4703 | exploit_db | edb | 2007-12-08 | 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 | 2026-01-11 | 4.35% | 4.73% | +0.38% |
| 2 | 2025-10-05 | 4.56% | 4.35% | -0.21% |
| 3 | 2025-03-30 | — | 4.56% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| winamp | nullsoft_winamp | 5.32 | cpe:2.3:a:winamp:nullsoft_winamp:5.32:*:*:*:*:*:*:* |