A nbdkit security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: nbdkit-1.26.5-1.fc34

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Fedora Update Notification
FEDORA-2021-9c2ba2fcfc
2021-08-29 01:08:55.716220
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Name : nbdkit
Product : Fedora 34
Version : 1.26.5
Release : 1.fc34
URL :   https://gitlab.com/nbdkit/nbdkit
Summary : NBD server
Description :
NBD is a protocol for accessing block devices (hard disks and
disk-like things) over the network.

nbdkit is a toolkit for creating NBD servers.

The key features are:

* Multithreaded NBD server written in C with good performance.

* Minimal dependencies for the basic server.

* Liberal license (BSD) allows nbdkit to be linked to proprietary
libraries or included in proprietary code.

* Well-documented, simple plugin API with a stable ABI guarantee.
Lets you to export "unconventional" block devices easily.

* You can write plugins in C or many other languages.

* Filters can be stacked in front of plugins to transform the output.

'nbdkit' is a meta-package which pulls in the core server and a
useful subset of plugins and filters with minimal dependencies.

If you want just the server, install 'nbdkit-server'.

To develop plugins, install the 'nbdkit-devel' package and start by
reading the nbdkit(1) and nbdkit-plugin(3) manual pages.

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Update Information:

New upstream stable version 1.26.5; fixes CVE-2021-3716.
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ChangeLog:

* Fri Aug 20 2021 Eric Blake - 1.26.5-1
- New upstream stable version 1.26.5; fixes CVE-2021-3716.
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References:

[ 1 ] Bug #1994695 - CVE-2021-3716 nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS
  https://bugzilla.redhat.com/show_bug.cgi?id=1994695
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-9c2ba2fcfc' 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