Buffer overflow in Unreal Tournament 3 1.3beta4 and earlier allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a UDP packet containing a large value in a certain size field, followed by a data string of that size, aka attack 1 in ut3mendo.c.
Conclusion & alert: CVE-2008-3409 is rated High Exploit Risk (73.4/100): CVSS High severity, with high exploitation likelihood (EPSS 11.02%, 95th percentile). 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 |
|---|---|---|---|---|
| 32127 | exploit_db | edb | 2008-07-30 | 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 | 2026-06-15 | 23.20% | 11.02% | -12.18% |
| 2 | 2026-05-20 | 26.47% | 23.20% | -3.28% |
| 3 | 2026-02-28 | — | 26.47% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| epic_games | unreal_tournament_3 | <= 1.3 | cpe:2.3:a:epic_games:unreal_tournament_3:*:beta_4:*:*:*:*:*:* |
| epic_games | unreal_tournament_3 | 1.1 | cpe:2.3:a:epic_games:unreal_tournament_3:1.1:*:*:*:*:*:*:* |
| epic_games | unreal_tournament_3 | 1.2 | cpe:2.3:a:epic_games:unreal_tournament_3:1.2:*:*:*:*:*:*:* |