Fedora 34: FEDORA-2021-9c2ba2fcfc Critical: NBDKit 1.26.5 Security Fix

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.

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

* Fri Aug 20 2021 Eric Blake - 1.26.5-1

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

[ 1 ] Bug #1994695 - CVE-2021-3716 nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS

https://bugzilla.redhat.com/show_bug.cgi?id=1994695

su -c 'dnf upgrade --advisory FEDORA-2021-9c2ba2fcfc' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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