How severe is CVE-2022-39047?

CVE-2022-39047 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-39047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-39047?

CVE-2022-39047 affects Freeciv. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-39047?

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-2022-39047 published?

CVE-2022-39047 was published on 2022-08-31 and last updated on 2026-06-17.

CVE-2022-39047

CVE-2022-39047 is a high-severity vulnerability in Freeciv with a CVSS 3.x base score of 8.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Freeciv
Published: 2022-08-31
Last modified: 2026-06-17

Description

Freeciv before 2.6.7 and before 3.0.3 is prone to a buffer overflow vulnerability in the Modpack Installer utility's handling of the modpack URL.

Frequently asked questions

What is CVE-2022-39047?: Freeciv before 2.6.7 and before 3.0.3 is prone to a buffer overflow vulnerability in the Modpack Installer utility's handling of the modpack URL.
How severe is CVE-2022-39047?: CVE-2022-39047 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-39047 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-39047?: CVE-2022-39047 affects Freeciv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-39047?: 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-2022-39047 published?: CVE-2022-39047 was published on 2022-08-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:freeciv:freeciv:*:*:*:*:*:*:*:*

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