A mingw-glib2 security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: mingw-glib2-2.66.7-1.fc33

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Fedora Update Notification
FEDORA-2021-7c71cda8da
2021-03-15 01:17:22.121032
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Name : mingw-glib2
Product : Fedora 33
Version : 2.66.7
Release : 1.fc33
URL :   http://www.gtk.org
Summary : MinGW Windows GLib2 library
Description :
MinGW Windows Glib2 library.

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Update Information:

Update to glib2-2.66.7, see
  https://gitlab.gnome.org/GNOME/glib/-/blob/2.66.7/NEWS for details.
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ChangeLog:

* Fri Mar 5 2021 Sandro Mani - 2.66.7-1
- Update to 2.66.7
* Tue Jan 26 2021 Fedora Release Engineering - 2.66.2-2
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* Mon Oct 19 2020 Sandro Mani - 2.66.2-1
- Update to 2.66.2
* Mon Oct 5 2020 Sandro Mani - 2.66.1-1
- Update to 2.66.1
* Tue Sep 15 2020 Sandro Mani - 2.66.0-1
- Update to 2.66.0
* Wed Aug 12 2020 Sandro Mani - 2.64.3-3
- Rebuild (mingw-gettext)
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References:

[ 1 ] Bug #1929850 - CVE-2021-27218 mingw-glib2: glib: integer overflow in g_byte_array_new_take function when called with a buffer of 4GB or more on a 64-bit platform [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1929850
[ 2 ] Bug #1929862 - CVE-2021-27219 mingw-glib2: glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1929862
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-7c71cda8da' 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