A libarchive security update has been released for Fedora 30.

SECURITY: Fedora 30 Update: libarchive-3.3.3-7.fc30

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Fedora Update Notification
FEDORA-2019-71b2273a9f
2020-04-01 02:35:47.694450
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Name : libarchive
Product : Fedora 30
Version : 3.3.3
Release : 7.fc30
URL :   http://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:

Security fix for CVE-2019-18408 RAR reader: fix use after free If
read_data_compressed() returns ARCHIVE_FAILED, the caller is allowed to continue
with next archive headers. We need to set rar->start_new_table after the
ppmd7_context got freed, otherwise it won't be allocated again.
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ChangeLog:

* Mon Nov 18 2019 Ondrej Dubaj - 3.3.3-7
- fixed use after free in rar (#1769980)
- fixed zstd test
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References:

[ 1 ] Bug #1769980 - CVE-2019-18408 libarchive: use-after-free in archive_read_format_rar_read_data when there is an error in the decompression of an archive entry [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1769980
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2019-71b2273a9f' 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
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  https://fedoraproject.org/keys