A thunderbird security update has been released for Fedora 32.

SECURITY: Fedora 32 Update: thunderbird-78.5.0-1.fc32

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Fedora Update Notification
FEDORA-2020-9493cfc1ac
2020-12-05 01:15:15.347668
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Name : thunderbird
Product : Fedora 32
Version : 78.5.0
Release : 1.fc32
URL :   http://www.mozilla.org/projects/thunderbird/
Summary : Mozilla Thunderbird mail/newsgroup client
Description :
Mozilla Thunderbird is a standalone mail and newsgroup client.

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Update Information:

Update to latest upstream version.
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ChangeLog:

* Wed Nov 25 2020 Jan Horak - 78.5.0-1
- Update to 78.5.0 build3
* Thu Nov 12 2020 Jan Horak - 78.4.3-1
- Update to 78.4.3 build1
* Mon Nov 9 2020 Kalev Lember - 78.4.0-3
- Add release tag to appdata
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References:

[ 1 ] Bug #1895368 - thunderbird-78.5.0 is available
  https://bugzilla.redhat.com/show_bug.cgi?id=1895368
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-9493cfc1ac' 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