A libzen security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: libzen-0.4.39-1.fc33

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Fedora Update Notification
FEDORA-2021-3b67623d93
2021-04-06 01:03:31.227619
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Name : libzen
Product : Fedora 33
Version : 0.4.39
Release : 1.fc33
URL :   https://github.com/MediaArea/ZenLib
Summary : Shared library for libmediainfo and medianfo*
Description :
Files shared library for libmediainfo and medianfo-*.

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Update Information:

Update mediainfo.
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ChangeLog:

* Sun Mar 28 2021 Vasiliy N. Glazov - 0.4.39-1
- Update to 0.4.39
* Tue Jan 26 2021 Fedora Release Engineering - 0.4.38-4
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
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References:

[ 1 ] Bug #1940984 - CVE-2020-26797 mediainfo: heap-based buffer overflow via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1940984
[ 2 ] Bug #1940986 - CVE-2020-26797 libmediainfo: mediainfo: heap-based buffer overflow via MediaInfoLib::File_Gxf::ChooseParser_ChannelGrouping [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1940986
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-3b67623d93' 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