Buffer overflow in the server in OpenTTD 0.6.1 and earlier allows remote authenticated users to cause a denial of service (persistent game disruption) or possibly execute arbitrary code via vectors involving many long names for "companies and clients."
Conclusion & alert: CVE-2008-3547 is rated Moderate Risk (62.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.73%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-15 | 9.94% | 4.73% | -5.21% |
| 2 | 2026-04-30 | 12.67% | 9.94% | -2.73% |
| 3 | 2025-03-30 | — | 12.67% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
medium | CVE-2008-3547 medium priority: Debian including 1 source packages (openttd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2008-3547 |
gentoo
|
high | CVE-2008-3547: 1 GLSA(s) (200903-09), 1 atom(s) (games-simulation/openttd); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2008-3547 |
ubuntu
|
medium | CVE-2008-3547 medium priority: Ubuntu including 1 source packages (openttd), 11 status rows across 11 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): not-affected 7, ignored 2, DNE 1, released 1. | https://ubuntu.com/security/CVE-2008-3547 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| openttd | openttd | <= 0.6.1 | cpe:2.3:a:openttd:openttd:*:*:*:*:*:*:*:* |
| openttd | openttd | 0.1.1 | cpe:2.3:a:openttd:openttd:0.1.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.1.2 | cpe:2.3:a:openttd:openttd:0.1.2:*:*:*:*:*:*:* |
| openttd | openttd | 0.1.3 | cpe:2.3:a:openttd:openttd:0.1.3:*:*:*:*:*:*:* |
| openttd | openttd | 0.1.4 | cpe:2.3:a:openttd:openttd:0.1.4:*:*:*:*:*:*:* |
| openttd | openttd | 0.2.0 | cpe:2.3:a:openttd:openttd:0.2.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.2.1 | cpe:2.3:a:openttd:openttd:0.2.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.0 | cpe:2.3:a:openttd:openttd:0.3.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.1 | cpe:2.3:a:openttd:openttd:0.3.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.2 | cpe:2.3:a:openttd:openttd:0.3.2:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.2.1 | cpe:2.3:a:openttd:openttd:0.3.2.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.3 | cpe:2.3:a:openttd:openttd:0.3.3:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.4 | cpe:2.3:a:openttd:openttd:0.3.4:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.5 | cpe:2.3:a:openttd:openttd:0.3.5:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.6 | cpe:2.3:a:openttd:openttd:0.3.6:*:*:*:*:*:*:* |
| openttd | openttd | 0.3.7 | cpe:2.3:a:openttd:openttd:0.3.7:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.0 | cpe:2.3:a:openttd:openttd:0.4.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.0.1 | cpe:2.3:a:openttd:openttd:0.4.0.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.5 | cpe:2.3:a:openttd:openttd:0.4.5:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.6 | cpe:2.3:a:openttd:openttd:0.4.6:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.7 | cpe:2.3:a:openttd:openttd:0.4.7:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.8 | cpe:2.3:a:openttd:openttd:0.4.8:*:*:*:*:*:*:* |
| openttd | openttd | 0.4.8 | cpe:2.3:a:openttd:openttd:0.4.8:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.4.8 | cpe:2.3:a:openttd:openttd:0.4.8:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc3:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc4:*:*:*:*:*:* |
| openttd | openttd | 0.5.0 | cpe:2.3:a:openttd:openttd:0.5.0:rc5:*:*:*:*:*:* |
| openttd | openttd | 0.5.1 | cpe:2.3:a:openttd:openttd:0.5.1:*:*:*:*:*:*:* |
| openttd | openttd | 0.5.1 | cpe:2.3:a:openttd:openttd:0.5.1:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.1 | cpe:2.3:a:openttd:openttd:0.5.1:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.5.1 | cpe:2.3:a:openttd:openttd:0.5.1:rc3:*:*:*:*:*:* |
| openttd | openttd | 0.5.2 | cpe:2.3:a:openttd:openttd:0.5.2:*:*:*:*:*:*:* |
| openttd | openttd | 0.5.2 | cpe:2.3:a:openttd:openttd:0.5.2:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.3 | cpe:2.3:a:openttd:openttd:0.5.3:*:*:*:*:*:*:* |
| openttd | openttd | 0.5.3 | cpe:2.3:a:openttd:openttd:0.5.3:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.5.3 | cpe:2.3:a:openttd:openttd:0.5.3:rc2:*:*:*:*:*:* |
| openttd | openttd | 0.5.3 | cpe:2.3:a:openttd:openttd:0.5.3:rc3:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:*:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta1:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta2:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta3:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta4:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:beta5:*:*:*:*:*:* |
| openttd | openttd | 0.6.0 | cpe:2.3:a:openttd:openttd:0.6.0:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.6.1 | cpe:2.3:a:openttd:openttd:0.6.1:rc1:*:*:*:*:*:* |
| openttd | openttd | 0.6.1 | cpe:2.3:a:openttd:openttd:0.6.1:rc2:*:*:*:*:*:* |