A libarchive security update has been released for Fedora 31.

SECURITY: Fedora 31 Update: libarchive-3.4.3-1.fc31

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Fedora Update Notification
FEDORA-2020-d8278fe24d
2020-06-07 19:44:15.413885
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Name : libarchive
Product : Fedora 31
Version : 3.4.3
Release : 1.fc31
URL :   https://www.libarchive.org/
Summary : A library for handling streaming archive formats
Description :
Libarchive is a programming library that can create and read several different
streaming archive formats, including most popular tar variants, several cpio
formats, and both BSD and GNU ar variants. It can also write shar archives and
read ISO9660 CDROM images and ZIP archives.

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Update Information:

Rebase to version 3.4.3
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ChangeLog:

* Fri May 22 2020 Ondrej Dubaj - 3.4.3-1
- Rebased to version 3.4.3
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References:

[ 1 ] Bug #1805967 - CVE-2020-9308 libarchive: attempts to unpack a RAR5 file with an invalid or corrupted header leads to a SIGSEGV [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1805967
[ 2 ] Bug #1812636 - CVE-2019-20509 libarchive: heap-based buffer overflow in archive_read_support_format_lha.c due to insufficient validation of UTF-16 input [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1812636
[ 3 ] Bug #1837828 - libarchive-3.4.3 is available
  https://bugzilla.redhat.com/show_bug.cgi?id=1837828
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-d8278fe24d' 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