CVE-2012-6083

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

7.5 HighPublic exploitFix available

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

11.7%Up 3.4 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Record: CVE-2012-6083
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-400
Updated: 2026-11-02

CVE List No score

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Record: CVE-2012-6083
Updated: 2026-11-02

EUVDEUVD-2012-5954 No score

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Record: EUVD-2012-5954
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4c5q-v3gj-45mr No score

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Record: GHSA-4c5q-v3gj-45mr
Updated: 2026-11-02

OSV 7.5

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Record: CVE-2012-6083
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2012-6083 7.5

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Record: DEBIAN-CVE-2012-6083
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2012-6083 7.5

Freeciv before 2.3.3 allows remote attackers to cause a denial of service via a crafted packet.

Record: UBUNTU-CVE-2012-6083
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

freeciv

Affected packages

Affected packages
Package	Affected	Fixed
`freeciv` Debian:12	before 2.3.4-1	2.3.4-1
`freeciv` Debian:13	before 2.3.4-1	2.3.4-1
`freeciv` Debian:14	before 2.3.4-1	2.3.4-1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Freeciv 2.2.1 - Multiple Remote Denial of Service Vulnerabilities	2010-07-03

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-6083 is a high vulnerability (CVSS 7.5) in Freeciv, published January 23, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.7%, the 96th percentile. Fixed in freeciv 2.3.4-1.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

Public exploits

History

In short

References