A fetchmail security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: fetchmail-6.4.22-1.fc33

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Fedora Update Notification
FEDORA-2021-9998719311
2021-09-24 20:37:40.162825
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Name : fetchmail
Product : Fedora 33
Version : 6.4.22
Release : 1.fc33
URL :   http://www.fetchmail.info/
Summary : A remote mail retrieval and forwarding utility
Description :
Fetchmail is a remote mail retrieval and forwarding utility intended
for use over on-demand TCP/IP links, like SLIP or PPP connections.
Fetchmail supports every remote-mail protocol currently in use on the
Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6,
and IPSEC) for retrieval. Then Fetchmail forwards the mail through
SMTP so you can read it through your favorite mail client.

Install fetchmail if you need to retrieve mail over SLIP or PPP
connections.

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Update Information:

Update to fetchmail-6.4.22 (CVE-2021-39272)
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ChangeLog:

* Thu Sep 16 2021 Vitezslav Crhonek - 6.4.22-1
- Update to fetchmail-6.4.22 (CVE-2021-39272)
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References:

[ 1 ] Bug #1999190 - CVE-2021-39272 fetchmail: STARTTLS session encryption bypassing
  https://bugzilla.redhat.com/show_bug.cgi?id=1999190
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-9998719311' 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