CVE-2007-3917: Wesnoth

High severity, CVSS 7.8. EPSS: 2.1% chance of exploitation in the next 30 days.

The multiplayer engine in Wesnoth 1.2.x before 1.2.7 and 1.3.x before 1.3.9 allows remote servers to cause a denial of service (crash) via a long message with multibyte characters that can produce an invalid UTF-8 string after it is truncated, which triggers an uncaught exception, involving the truncate_message function in server/server.cpp. NOTE: this issue affects both clients and servers.

Affected products

• Wesnoth Wesnoth: version 1.2 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; …

Published 2007-10-11. Last modified 2026-06-16.