A firefox security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: firefox-84.0-6.fc33

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Fedora Update Notification
FEDORA-2020-af3857afd5
2020-12-19 01:15:50.847129
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Name : firefox
Product : Fedora 33
Version : 84.0
Release : 6.fc33
URL :   https://www.mozilla.org/firefox/
Summary : Mozilla Firefox Web browser
Description :
Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance and portability.

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Update Information:

- Update to Firefox 84 - Built with system nss Please give karma to nss
packages which are needed for this update:
  https://bodhi.fedoraproject.org/updates/FEDORA-2020-c489b93b18
  https://bodhi.fedoraproject.org/updates/FEDORA-2020-d04a8e97b3 ---- - New
upstream version (Firefox 84) - Enabled WebRender by default on Gnome Wayland
and Gnome/X.org
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ChangeLog:

* Thu Dec 17 2020 Martin Stransky - 84.0-6
- Disable PGO on Rawhide due to build issues
- Disable system nss on Rawhide due to rhbz#1908018
- Enabled system nss on Fedora 33/32
* Wed Dec 16 2020 Martin Stransky - 84.0-5
- Build with tests enabled
* Wed Dec 16 2020 Martin Stransky - 84.0-4
- Disabled LTO due to massive test failures
* Wed Dec 16 2020 Martin Stransky - 84.0-3
- Updated to Firefox 84 Build 3
- Disabled system nss due to addon breakage (rhbz#1908018).
* Wed Dec 9 2020 Martin Stransky - 83.0-15
- Enabled tests everywhere
- Enabled crash reporter
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-af3857afd5' 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