How severe is CVE-2007-3917?

CVE-2007-3917 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-3917 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3917?

CVE-2007-3917 primarily affects Wesnoth. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3917?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-3917 published?

CVE-2007-3917 was published on 2007-10-11 and last updated on 2026-06-16.

CVE-2007-3917

CVE-2007-3917 is a high-severity vulnerability in Wesnoth with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Wesnoth
Published: 2007-10-11
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2007-3917?: CVE-2007-3917 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-3917 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3917?: CVE-2007-3917 primarily affects Wesnoth. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3917?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-3917 published?: CVE-2007-3917 was published on 2007-10-11 and last updated on 2026-06-16.

References

Affected products (15)

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

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