A libdxfrw security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: libdxfrw-1.0.1-1.fc34

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Fedora Update Notification
FEDORA-2021-67c946a9f3
2021-12-01 01:12:49.872874
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Name : libdxfrw
Product : Fedora 34
Version : 1.0.1
Release : 1.fc34
URL :   https://github.com/LibreCAD/libdxfrw
Summary : Library to read/write DXF files
Description :
libdxfrw is a free C++ library to read and write DXF files in both formats,
ASCII and binary form.

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Update Information:

Update libdxfrw to 1.0.1 (from upstream git). Rebuild librecad against it. This
fixes CVE-2021-21898, CVE-2021-21899, and CVE-2021-21900.
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ChangeLog:

* Mon Nov 22 2021 Tom Callaway - 1.0.1-1
- rebase to new code home, fixes CVE-2021-21898/21899/21900
* Thu Jul 22 2021 Fedora Release Engineering - 0.6.3-19
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
* Thu May 27 2021 Tom Callaway - 0.6.3-18
- disable rpath
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References:

[ 1 ] Bug #2025628 - CVE-2021-21899 librecad: heap out-of-bounds write in dwgCompressor:copyCompBytes21
  https://bugzilla.redhat.com/show_bug.cgi?id=2025628
[ 2 ] Bug #2025631 - CVE-2021-21900 librecad: use-after-free in dxfRW:processLType()
  https://bugzilla.redhat.com/show_bug.cgi?id=2025631
[ 3 ] Bug #2025634 - CVE-2021-21898 librecad: out-of-bounds write in dwgCompressor:decompress18()
  https://bugzilla.redhat.com/show_bug.cgi?id=2025634
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-67c946a9f3' 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
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