CVE-2022-39047

Freeciv before 2.6.7 and before 3.0.3 is prone to a buffer overflow vulnerability in the Modpack...

8.8 HighFix available

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.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.31%Up 0.4 points since Aug 31, 2022

What each source reports

NVD Score used 8.8

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.

Record: CVE-2022-39047
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-120
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2022-39047
Updated: 2026-11-02

EUVDEUVD-2022-41593 No score

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.

Record: EUVD-2022-41593
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v44g-gwm6-58cw 8.8

Freeciv before 2.6.7 and before 3.0.3 is prone to a buffer overflow vulnerability in the Modpack...

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.

Record: GHSA-v44g-gwm6-58cw
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-120
Updated: 2026-11-02

OSVDEBIAN-CVE-2022-39047 8.8

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.

Record: DEBIAN-CVE-2022-39047
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-03

OSVUBUNTU-CVE-2022-39047 8.8

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.

Record: UBUNTU-CVE-2022-39047
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSV No score

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.

Record: CVE-2022-39047
Updated: 2026-11-02

OSVMGASA-2022-0293 No score

Updated freeciv packages fix security vulnerability

Advisory text to describe the update. Wrap lines at ~75 chars. Modpack Installer buffer overflow. (CVE-2022-39047)

Record: MGASA-2022-0293
Updated: 2026-11-02

Affected products

freeciv

Affected packages

Affected packages
Package	Affected	Fixed
`freeciv` Debian:12	before 3.0.3-1	3.0.3-1
`freeciv` Debian:13	before 3.0.3-1	3.0.3-1
`freeciv` Debian:14	before 3.0.3-1	3.0.3-1
`freeciv` Mageia:8	before 2.6.7-1.mga8	2.6.7-1.mga8
`freeciv` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.5.1-12.5.2-12.5.3-12.5.3-1ubuntu0.1~esm1	None known
`freeciv` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 2.5.9-12.5.10-12.5.10-1ubuntu0.1~esm1	None known
`freeciv` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 2.6.0-32.6.0-42.6.1-12.6.2-12.6.2-1ubuntu0.1~esm1	None known
`freeciv` Ubuntu:Pro:22.04:LTS	All versions, plus listed versions 2.6.3-12.6.5-12.6.6-12.6.6-1ubuntu0.1~esm1	None known
`freeciv` Ubuntu:Pro:24.04:LTS	All versions, plus listed versions 3.0.8-13.0.8-23.0.8-2build13.1.0+ds-1build33.1.0+ds-1build43.1.0+ds-1build53.1.0+ds-1ubuntu0.1~esm1	None known
`freeciv` Ubuntu:25.10	All versions, plus listed versions 3.1.4+ds-23.2.0+ds-1	None known
`freeciv` Ubuntu:26.10	All versions, plus listed versions 3.2.4+ds-13.2.5+ds-13.2.6+ds-1	None known
`freeciv` Ubuntu:26.04:LTS	All versions, plus listed versions 3.2.0+ds-13.2.1+ds-13.2.1+ds-1build13.2.2+ds-13.2.4+ds-1	None known

History

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

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

In short

CVE-2022-39047 is a high vulnerability (CVSS 8.8) in Freeciv, published August 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. Fixed in freeciv 3.0.3-1.

References

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