How severe is CVE-2006-0047?

CVE-2006-0047 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-0047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-0047?

CVE-2006-0047 primarily affects Freeciv. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-0047?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-0047 published?

CVE-2006-0047 was published on 2006-03-07 and last updated on 2026-06-16.

CVE-2006-0047

CVE-2006-0047 is a medium-severity vulnerability in Freeciv with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Freeciv
Published: 2006-03-07
Last modified: 2026-06-16

Description

packets.c in Freeciv 2.0 before 2.0.8 allows remote attackers to cause a denial of service (server crash) via crafted packets with negative compressed size values.

Frequently asked questions

What is CVE-2006-0047?: packets.c in Freeciv 2.0 before 2.0.8 allows remote attackers to cause a denial of service (server crash) via crafted packets with negative compressed size values.
How severe is CVE-2006-0047?: CVE-2006-0047 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-0047 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0047?: CVE-2006-0047 primarily affects Freeciv. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-0047?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-0047 published?: CVE-2006-0047 was published on 2006-03-07 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:freeciv:freeciv:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:freeciv:freeciv:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:freeciv:freeciv:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:freeciv:freeciv:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:freeciv:freeciv:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:freeciv:freeciv:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:freeciv:freeciv:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:freeciv:freeciv:2.0.7:*:*:*:*:*:*:*
cpe:2.3:a:freeciv:freeciv:2.0.7a:*:*:*:*:*:*:*

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