Stack-based buffer overflow in the IPureServer::_Recieve function in S.T.A.L.K.E.R.: Shadow of Chernobyl 1.0006 and earlier allows remote attackers to execute arbitrary code via a compressed 0x39 packet, which is decompressed by the NET_Compressor::Decompress function.
Conclusion & alert: CVE-2008-6703 is rated High Exploit Risk (88.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 28.29%, 97th percentile). Core evidence: 2 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 |
|---|---|---|---|---|
| 31998 | exploit_db | edb | 2008-06-28 | 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 | 2026-05-31 | 28.49% | 28.29% | -0.19% |
| 2 | 2026-02-26 | 18.16% | 28.49% | +10.33% |
| 3 | 2025-08-30 | — | 18.16% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| stalker-game | s.t.a.l.k.e.r.:_shadow_of_chernobyl | <= 1.0006 | cpe:2.3:a:stalker-game:s.t.a.l.k.e.r.\:_shadow_of_chernobyl:*:*:*:*:*:*:*:* |