A wireshark security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: wireshark-3.4.2-1.fc33

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Fedora Update Notification
FEDORA-2021-f3011da665
2021-02-07 01:31:59.042483
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Name : wireshark
Product : Fedora 33
Version : 3.4.2
Release : 1.fc33
URL :   http://www.wireshark.org/
Summary : Network traffic analyzer
Description :
Wireshark allows you to examine protocol data stored in files or as it is
captured from wired or wireless (WiFi or Bluetooth) networks, USB devices,
and many other sources. It supports dozens of protocol capture file formats
and understands more than a thousand protocols.

It has many powerful features including a rich display filter language
and the ability to reassemble multiple protocol packets in order to, for
example, view a complete TCP stream, save the contents of a file which was
transferred over HTTP or CIFS, or play back an RTP audio stream.

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Update Information:

Security fix for CVE-2020-26418, CVE-2020-26419, CVE-2020-26420, CVE-2020-26421
Update to version 3.4.2 Fix %post script on Silverblue
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ChangeLog:

* Fri Jan 29 2021 Michal Ruprich - 1:3.4.2-1
- New version 3.4.2
- Fix for CVE-2020-26418, CVE-2020-26419, CVE-2020-26420, CVE-2020-26421
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References:

[ 1 ] Bug #1919912 - CVE-2020-26418 wireshark: Kafka dissector memory leak (wnpa-sec-2020-16)
  https://bugzilla.redhat.com/show_bug.cgi?id=1919912
[ 2 ] Bug #1919917 - CVE-2020-26419 wireshark: multiple dissector memory leaks (wnpa-sec-2020-19)
  https://bugzilla.redhat.com/show_bug.cgi?id=1919917
[ 3 ] Bug #1919919 - CVE-2020-26420 wireshark: RTPS dissector memory leak (wnpa-sec-2020-18)
  https://bugzilla.redhat.com/show_bug.cgi?id=1919919
[ 4 ] Bug #1919923 - CVE-2020-26421 wireshark: USB HID dissector crash (wnpa-sec-2020-17)
  https://bugzilla.redhat.com/show_bug.cgi?id=1919923
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-f3011da665' 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