Stack-based buffer overflow in Icarus 2.0 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted Portable Game Notation (.pgn) file.
Conclusion & alert: CVE-2009-1071 is rated High Exploit Risk (85.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 43.03%, 98th percentile). Core evidence: 3 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 |
|---|---|---|---|---|
| 9628 | exploit_db | edb | 2009-09-10 | Exploit-DB ↗ |
| 8236 | exploit_db | edb | 2009-03-18 | 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 | 2026-05-14 | 43.60% | 43.03% | -0.57% |
| 2 | 2026-01-02 | 19.32% | 43.60% | +24.29% |
| 3 | 2025-08-13 | — | 19.32% | — |
Full EPSS history (13 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 |
|---|---|---|---|
| randomsoftware | icarus | 2.0 | cpe:2.3:a:randomsoftware:icarus:2.0:*:*:*:*:*:*:* |