A squashfs-tools security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: squashfs-tools-4.5-3.20210913gite048580.fc34

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Fedora Update Notification
FEDORA-2021-b30ea7dbd3
2021-09-29 01:07:02.642266
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Name : squashfs-tools
Product : Fedora 34
Version : 4.5
Release : 3.20210913gite048580.fc34
URL :   https://github.com/plougher/squashfs-tools
Summary : Utility for the creation of squashfs filesystems
Description :
Squashfs is a highly compressed read-only filesystem for Linux. This package
contains the utilities for manipulating squashfs filesystems.

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Update Information:

Fix additional write outside destination directory exploit
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ChangeLog:

* Mon Sep 13 2021 Bruno Wolff III - 4.5-3.20210913gite048580
- Fix bug 2003701 (additional write outside destination directory exploit)
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-b30ea7dbd3' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys