A hivex security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: hivex-1.3.20-1.fc34

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Fedora Update Notification
FEDORA-2021-b71cc4df92
2021-05-19 01:21:36.729523
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Name : hivex
Product : Fedora 34
Version : 1.3.20
Release : 1.fc34
URL :   http://libguestfs.org/
Summary : Read and write Windows Registry binary hive files
Description :
Hive files are the undocumented binary files that Windows uses to
store the Windows Registry on disk. Hivex is a library that can read
and write to these files.

'hivexsh' is a shell you can use to interactively navigate a hive
binary file.

'hivexregedit' (in perl-hivex) lets you export and merge to the
textual regedit format.

'hivexml' can be used to convert a hive file to a more useful XML
format.

In order to get access to the hive files themselves, you can copy them
from a Windows machine. They are usually found in
%systemroot%\system32\config. For virtual machines we recommend
using libguestfs or guestfish to copy out these files. libguestfs
also provides a useful high-level tool called 'virt-win-reg' (based on
hivex technology) which can be used to query specific registry keys in
an existing Windows VM.

For OCaml bindings, see 'ocaml-hivex-devel'.

For Perl bindings, see 'perl-hivex'.

For Python 3 bindings, see 'python3-hivex'.

For Ruby bindings, see 'ruby-hivex'.

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Update Information:

New upstream version 1.3.20. Fixes CVE-2021-3504 missing bounds check in
hivex_open.
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ChangeLog:

* Mon May 3 2021 Richard W.M. Jones - 1.3.20-1
- New upstream version 1.3.20.
- Fixes CVE-2021-3504 missing bounds check in hivex_open.
* Tue Mar 30 2021 Richard W.M. Jones - 1.3.19-10
- Bump and rebuild for ELN.
* Mon Mar 1 2021 Richard W.M. Jones - 1.3.19-9
- OCaml 4.12.0 build
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References:

[ 1 ] Bug #1956204 - CVE-2021-3504 hivex: Buffer overflow when provided invalid node key length [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1956204
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-b71cc4df92' 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