A libguestfs security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: libguestfs-1.45.7-2.fc34

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Fedora Update Notification
FEDORA-2021-c0235d9d79
2021-09-04 19:31:30.714719
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Name : libguestfs
Product : Fedora 34
Version : 1.45.7
Release : 2.fc34
URL :   http://libguestfs.org/
Summary : Access and modify virtual machine disk images
Description :
Libguestfs is a library for accessing and modifying virtual machine
disk images.   http://libguestfs.org

Libguestfs uses Linux kernel and qemu code, and can access any type of
guest filesystem that Linux and qemu can, including but not limited
to: ext2/3/4, btrfs, FAT and NTFS, LVM, many different disk partition
schemes, qcow, qcow2, vmdk.

For enhanced features, install:

libguestfs-forensics adds filesystem forensics support
libguestfs-gfs2 adds Global Filesystem (GFS2) support
libguestfs-hfsplus adds HFS+ (Mac filesystem) support

libguestfs-inspect-icons adds support for inspecting guest icons
libguestfs-rescue enhances virt-rescue shell with more tools
libguestfs-rsync rsync to/from guest filesystems

libguestfs-ufs adds UFS (BSD) support

libguestfs-xfs adds XFS support

libguestfs-zfs adds ZFS support

For developers:

libguestfs-devel C/C++ header files and library

Language bindings:

libguestfs-gobject-devel GObject bindings and GObject Introspection


lua-guestfs Lua bindings
ocaml-libguestfs-devel OCaml bindings
perl-Sys-Guestfs Perl bindings

php-libguestfs PHP bindings

python3-libguestfs Python 3 bindings
ruby-libguestfs Ruby bindings

libguestfs-vala Vala language bindings

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Update Information:

Update NTFS-3G to 2021.8.22 to fix multiple CVEs ---- New upstream development
version 1.45.7. ---- Upstream patch to work with qemu 6.1 (RHBZ#1998820)
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ChangeLog:

* Tue Aug 31 2021 Richard W.M. Jones - 1:1.45.7-2
- Rebuild for updated ntfs-3g CVE (RHBZ#1999788)
* Tue Aug 31 2021 Richard W.M. Jones - 1:1.45.7-1
- New upstream development version 1.45.7.
- Fix to work with qemu 6.1 (RHBZ#1998820)
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References:

[ 1 ] Bug #1998820 - libguestfs breaks with qemu 6.1 with error "Backing file specified without backing format"
  https://bugzilla.redhat.com/show_bug.cgi?id=1998820
[ 2 ] Bug #1999788 - ntfs-3g: Multiple buffer overflows in all versions [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1999788
[ 3 ] Bug #1999869 - ntfs-3g-2021.8.22 is available
  https://bugzilla.redhat.com/show_bug.cgi?id=1999869
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-c0235d9d79' 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