Debian dsa-6173 : freeciv - security update

high Nessus Plugin ID 303284

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 12 / 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6173 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6173-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff March 21, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : freeciv CVE ID : CVE-2026-33250

Louis Moureaux discovered that incorrect packet processing in the game server of Freeciv, a free clone of the turn based strategy game Civilization, could result in denial of service.

For the oldstable distribution (bookworm), this problem has been fixed in version 3.0.6-1+deb12u1.

For the stable distribution (trixie), this problem has been fixed in version 3.1.4+ds-2+deb13u1.

We recommend that you upgrade your freeciv packages.

For the detailed security status of freeciv please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/freeciv

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the freeciv packages.

Plugin Details

Severity: High

ID: 303284

File Name: debian_DSA-6173.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 3/21/2026

Updated: 3/21/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2026-33250

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:freeciv-client-sdl, p-cpe:/a:debian:debian_linux:freeciv-client-gtk, p-cpe:/a:debian:debian_linux:freeciv-client-gtk3, p-cpe:/a:debian:debian_linux:freeciv-client-gtk4, p-cpe:/a:debian:debian_linux:freeciv-data, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:freeciv-client-qt, p-cpe:/a:debian:debian_linux:freeciv, p-cpe:/a:debian:debian_linux:freeciv-ruleset-tools, p-cpe:/a:debian:debian_linux:freeciv-client-extras, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:freeciv-server

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 3/21/2026

Vulnerability Publication Date: 3/21/2026

Reference Information

CVE: CVE-2026-33250

Detections

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