CVE-2012-3436: Openttd

Medium severity, CVSS 5.0. EPSS: 3.4% chance of exploitation in the next 30 days.

OpenTTD 0.6.0 through 1.2.1 does not properly validate requests to clear a water tile, which allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a certain sequence of steps related to "the water/coast aspect of tiles which also have railtracks on one half."

Affected products

• Openttd Openttd: version 0.6.0 only; version 0.6.1 only; version 0.6.2 only; version 0.6.3 only; version 0.7.0 only; version 0.7.1 only; …

Published 2012-10-09. Last modified 2026-06-16.