Is CVE-2006-3913 in the CISA KEV catalog?

No. CVE-2006-3913 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-3913?

CVE-2006-3913 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2006-3913?

CVE-2006-3913 has an EPSS score of 5.61% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2006-3913?

Upgrade freeciv on debian 11 to 2.0.8-3 or later.

CVE & CISA-KEV Catalog

CVE-2006-3913

HIGHEPSS 92th pctl

7.5

CVSS v2

NVD

Description

Buffer overflow in Freeciv 2.1.0-beta1 and earlier, and SVN 15 Jul 2006 and earlier, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a (1) negative chunk_length or a (2) large chunk->offset value in a PACKET_PLAYER_ATTRIBUTE_CHUNK packet in the generic_handle_player_attribute_chunk function in common/packets.c, and (3) a large packet->length value in the handle_unit_orders function in server/unithand.c.

How to fix

Remediation Available

freecivDebian

Fixed in:2.0.8-3CVE-2006-3913

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

5.61%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch1

secunia.com

Exploit2

Vendor Advisory1

secunia.com

Other references8

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.