A flatpak security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: flatpak-1.10.5-1.fc33

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Fedora Update Notification
FEDORA-2021-c5a9c85737
2021-10-28 19:30:48.376881
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Name : flatpak
Product : Fedora 33
Version : 1.10.5
Release : 1.fc33
URL :   http://flatpak.org/
Summary : Application deployment framework for desktop apps
Description :
flatpak is a system for building, distributing and running sandboxed desktop
applications on Linux. See   https://wiki.gnome.org/Projects/SandboxedApps for
more information.

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Update Information:

Update to 1.10.5 * Fix CVE-2021-41133
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ChangeLog:

* Fri Oct 8 2021 David King - 1.10.5-1
- Update to 1.10.5
* Fri Oct 8 2021 David King - 1.10.4-1
- Update to 1.10.4 (#2012246)
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References:

[ 1 ] Bug #2012245 - CVE-2021-41133 flatpak: Sandbox bypass via recent VFS-manipulating syscalls
  https://bugzilla.redhat.com/show_bug.cgi?id=2012245
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-c5a9c85737' 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