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Date: Fri, 5 Aug 2022 02:17:51 +0300
From: Marko Lindqvist <>
Subject: Freeciv < 2.6.7, freeciv-3.0 < 3.0.3, Modpack Installer buffer overflow

 Just released freeciv-2.6.7 & freeciv-3.0.3 fix buffer overflow in
Modpack Installer utility's handling of the modpack URL. Specially
crafted URLs, without any '/' -characters would result in an
underflowing length (unsigned)(-1) string copy, i.e., all of the
NULL-terminated string given as "URL" would get written beyond the
buffer reserved for it.

 Freeciv source tarballs are available from for current 3.0, and from for 2.6.

 In case you can't make full version update at the moment, bug tracker
ticket has also a patch for this single issue attached:

 - ML

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