Integer overflow in the NET_Compressor::Decompress function in S.T.A.L.K.E.R.: Shadow of Chernobyl 1.0006 and earlier allows remote attackers to cause a denial of service (server crash) via a crafted packet with a 0xc1 value that contains no compressed data, which triggers a copy of a large amount of memory.
Conclusion & alert: CVE-2008-6704 is rated Moderate Risk (49.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.90%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-10-27 | 1.40% | 1.90% | +0.49% |
| 2 | 2025-03-30 | 1.60% | 1.40% | -0.20% |
| 3 | 2025-03-29 | — | 1.60% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [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:*:*:*:*:*:*:*:* |