CVE-2007-3917

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.

Published: 2007-10-11 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-3917 is rated Moderate Risk (61.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.91%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2007-3917

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 2026-05-30 2.80% 2.91% +0.11%
2 2025-11-05 2.46% 2.80% +0.34%
3 2025-03-30 2.46%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-3917

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 6.9 [email protected]

Weakness enumeration for CVE-2007-3917

OS Trackers for CVE-2007-3917

vendor priority summary link
ubuntu low CVE-2007-3917 low priority: Ubuntu including 1 source packages (wesnoth), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): released 5. https://ubuntu.com/security/CVE-2007-3917

Affected software / configurations for CVE-2007-3917

Vendor Product Version Raw CPE
wesnoth wesnoth 1.2 cpe:2.3:a:wesnoth:wesnoth:1.2:*:*:*:*:*:*:*
wesnoth wesnoth 1.2.1 cpe:2.3:a:wesnoth:wesnoth:1.2.1:*:*:*:*:*:*:*
wesnoth wesnoth 1.2.2 cpe:2.3:a:wesnoth:wesnoth:1.2.2:*:*:*:*:*:*:*
wesnoth wesnoth 1.2.3 cpe:2.3:a:wesnoth:wesnoth:1.2.3:*:*:*:*:*:*:*
wesnoth wesnoth 1.2.4 cpe:2.3:a:wesnoth:wesnoth:1.2.4:*:*:*:*:*:*:*
wesnoth wesnoth 1.2.5 cpe:2.3:a:wesnoth:wesnoth:1.2.5:*:*:*:*:*:*:*
wesnoth wesnoth 1.2.6 cpe:2.3:a:wesnoth:wesnoth:1.2.6:*:*:*:*:*:*:*
wesnoth wesnoth 1.3.1 cpe:2.3:a:wesnoth:wesnoth:1.3.1:*:*:*:*:*:*:*
wesnoth wesnoth 1.3.2 cpe:2.3:a:wesnoth:wesnoth:1.3.2:*:*:*:*:*:*:*
wesnoth wesnoth 1.3.3 cpe:2.3:a:wesnoth:wesnoth:1.3.3:*:*:*:*:*:*:*
wesnoth wesnoth 1.3.4 cpe:2.3:a:wesnoth:wesnoth:1.3.4:*:*:*:*:*:*:*
wesnoth wesnoth 1.3.5 cpe:2.3:a:wesnoth:wesnoth:1.3.5:*:*:*:*:*:*:*
wesnoth wesnoth 1.3.6 cpe:2.3:a:wesnoth:wesnoth:1.3.6:*:*:*:*:*:*:*
wesnoth wesnoth 1.3.7 cpe:2.3:a:wesnoth:wesnoth:1.3.7:*:*:*:*:*:*:*
wesnoth wesnoth 1.3.8 cpe:2.3:a:wesnoth:wesnoth:1.3.8:*:*:*:*:*:*:*

References for CVE-2007-3917

cvelogic Threat Intelligence