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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: perl security and bug fix update
Advisory ID:       RHSA-2021:1678-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1678
Issue date:        2021-05-18
CVE Names:         CVE-2020-10543 CVE-2020-10878 
=====================================================================

1. Summary:

An update for perl is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x,
 x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x,
 x86_64

3. Description:

Perl is a high-level programming language that is commonly used for system
administration utilities and web programming.

Security Fix(es):

* perl: heap-based buffer overflow in regular expression compiler leads to
DoS (CVE-2020-10543)

* perl: corruption of intermediate language state of compiled regular
expression due to integer overflow leads to DoS (CVE-2020-10878)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.4 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1807120 - perl-5.26.3-416.el8 FTBFS: ../cpan/Time-Local/t/Local.t test fails in
 year 2020
1837975 - CVE-2020-10543 perl: heap-based buffer overflow in regular expression
 compiler leads to DoS
1837988 - CVE-2020-10878 perl: corruption of intermediate language state of
 compiled regular expression due to integer overflow leads to DoS
1903503 - perl-libs: Missing dependency on perl-Encode
1913693 - Not strict restrictive permissions in the doc folders: perl-devel

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
perl-5.26.3-419.el8.aarch64.rpm
perl-Devel-Peek-1.26-419.el8.aarch64.rpm
perl-Devel-Peek-debuginfo-1.26-419.el8.aarch64.rpm
perl-IO-debuginfo-1.38-419.el8.aarch64.rpm
perl-Time-Piece-1.31-419.el8.aarch64.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.aarch64.rpm
perl-debuginfo-5.26.3-419.el8.aarch64.rpm
perl-debugsource-5.26.3-419.el8.aarch64.rpm
perl-devel-5.26.3-419.el8.aarch64.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.aarch64.rpm
perl-libs-debuginfo-5.26.3-419.el8.aarch64.rpm
perl-tests-5.26.3-419.el8.aarch64.rpm

noarch:
perl-Attribute-Handlers-0.99-419.el8.noarch.rpm
perl-Devel-SelfStubber-1.06-419.el8.noarch.rpm
perl-ExtUtils-Embed-1.34-419.el8.noarch.rpm
perl-ExtUtils-Miniperl-1.06-419.el8.noarch.rpm
perl-Locale-Maketext-Simple-0.21-419.el8.noarch.rpm
perl-Memoize-1.03-419.el8.noarch.rpm
perl-Module-Loaded-0.08-419.el8.noarch.rpm
perl-Net-Ping-2.55-419.el8.noarch.rpm
perl-Pod-Html-1.22.02-419.el8.noarch.rpm
perl-SelfLoader-1.23-419.el8.noarch.rpm
perl-Test-1.30-419.el8.noarch.rpm
perl-libnetcfg-5.26.3-419.el8.noarch.rpm
perl-open-1.11-419.el8.noarch.rpm
perl-utils-5.26.3-419.el8.noarch.rpm

ppc64le:
perl-5.26.3-419.el8.ppc64le.rpm
perl-Devel-Peek-1.26-419.el8.ppc64le.rpm
perl-Devel-Peek-debuginfo-1.26-419.el8.ppc64le.rpm
perl-IO-debuginfo-1.38-419.el8.ppc64le.rpm
perl-Time-Piece-1.31-419.el8.ppc64le.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.ppc64le.rpm
perl-debuginfo-5.26.3-419.el8.ppc64le.rpm
perl-debugsource-5.26.3-419.el8.ppc64le.rpm
perl-devel-5.26.3-419.el8.ppc64le.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.ppc64le.rpm
perl-libs-debuginfo-5.26.3-419.el8.ppc64le.rpm
perl-tests-5.26.3-419.el8.ppc64le.rpm

s390x:
perl-5.26.3-419.el8.s390x.rpm
perl-Devel-Peek-1.26-419.el8.s390x.rpm
perl-Devel-Peek-debuginfo-1.26-419.el8.s390x.rpm
perl-IO-debuginfo-1.38-419.el8.s390x.rpm
perl-Time-Piece-1.31-419.el8.s390x.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.s390x.rpm
perl-debuginfo-5.26.3-419.el8.s390x.rpm
perl-debugsource-5.26.3-419.el8.s390x.rpm
perl-devel-5.26.3-419.el8.s390x.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.s390x.rpm
perl-libs-debuginfo-5.26.3-419.el8.s390x.rpm
perl-tests-5.26.3-419.el8.s390x.rpm

x86_64:
perl-5.26.3-419.el8.x86_64.rpm
perl-Devel-Peek-1.26-419.el8.x86_64.rpm
perl-Devel-Peek-debuginfo-1.26-419.el8.i686.rpm
perl-Devel-Peek-debuginfo-1.26-419.el8.x86_64.rpm
perl-IO-debuginfo-1.38-419.el8.i686.rpm
perl-IO-debuginfo-1.38-419.el8.x86_64.rpm
perl-Time-Piece-1.31-419.el8.x86_64.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.i686.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.x86_64.rpm
perl-debuginfo-5.26.3-419.el8.i686.rpm
perl-debuginfo-5.26.3-419.el8.x86_64.rpm
perl-debugsource-5.26.3-419.el8.i686.rpm
perl-debugsource-5.26.3-419.el8.x86_64.rpm
perl-devel-5.26.3-419.el8.i686.rpm
perl-devel-5.26.3-419.el8.x86_64.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.i686.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.x86_64.rpm
perl-libs-debuginfo-5.26.3-419.el8.i686.rpm
perl-libs-debuginfo-5.26.3-419.el8.x86_64.rpm
perl-tests-5.26.3-419.el8.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
perl-5.26.3-419.el8.src.rpm

aarch64:
perl-Devel-Peek-debuginfo-1.26-419.el8.aarch64.rpm
perl-Errno-1.28-419.el8.aarch64.rpm
perl-IO-1.38-419.el8.aarch64.rpm
perl-IO-debuginfo-1.38-419.el8.aarch64.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.aarch64.rpm
perl-debuginfo-5.26.3-419.el8.aarch64.rpm
perl-debugsource-5.26.3-419.el8.aarch64.rpm
perl-interpreter-5.26.3-419.el8.aarch64.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.aarch64.rpm
perl-libs-5.26.3-419.el8.aarch64.rpm
perl-libs-debuginfo-5.26.3-419.el8.aarch64.rpm
perl-macros-5.26.3-419.el8.aarch64.rpm

noarch:
perl-IO-Zlib-1.10-419.el8.noarch.rpm
perl-Math-Complex-1.59-419.el8.noarch.rpm

ppc64le:
perl-Devel-Peek-debuginfo-1.26-419.el8.ppc64le.rpm
perl-Errno-1.28-419.el8.ppc64le.rpm
perl-IO-1.38-419.el8.ppc64le.rpm
perl-IO-debuginfo-1.38-419.el8.ppc64le.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.ppc64le.rpm
perl-debuginfo-5.26.3-419.el8.ppc64le.rpm
perl-debugsource-5.26.3-419.el8.ppc64le.rpm
perl-interpreter-5.26.3-419.el8.ppc64le.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.ppc64le.rpm
perl-libs-5.26.3-419.el8.ppc64le.rpm
perl-libs-debuginfo-5.26.3-419.el8.ppc64le.rpm
perl-macros-5.26.3-419.el8.ppc64le.rpm

s390x:
perl-Devel-Peek-debuginfo-1.26-419.el8.s390x.rpm
perl-Errno-1.28-419.el8.s390x.rpm
perl-IO-1.38-419.el8.s390x.rpm
perl-IO-debuginfo-1.38-419.el8.s390x.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.s390x.rpm
perl-debuginfo-5.26.3-419.el8.s390x.rpm
perl-debugsource-5.26.3-419.el8.s390x.rpm
perl-interpreter-5.26.3-419.el8.s390x.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.s390x.rpm
perl-libs-5.26.3-419.el8.s390x.rpm
perl-libs-debuginfo-5.26.3-419.el8.s390x.rpm
perl-macros-5.26.3-419.el8.s390x.rpm

x86_64:
perl-Devel-Peek-debuginfo-1.26-419.el8.i686.rpm
perl-Devel-Peek-debuginfo-1.26-419.el8.x86_64.rpm
perl-Errno-1.28-419.el8.x86_64.rpm
perl-IO-1.38-419.el8.x86_64.rpm
perl-IO-debuginfo-1.38-419.el8.i686.rpm
perl-IO-debuginfo-1.38-419.el8.x86_64.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.i686.rpm
perl-Time-Piece-debuginfo-1.31-419.el8.x86_64.rpm
perl-debuginfo-5.26.3-419.el8.i686.rpm
perl-debuginfo-5.26.3-419.el8.x86_64.rpm
perl-debugsource-5.26.3-419.el8.i686.rpm
perl-debugsource-5.26.3-419.el8.x86_64.rpm
perl-interpreter-5.26.3-419.el8.x86_64.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.i686.rpm
perl-interpreter-debuginfo-5.26.3-419.el8.x86_64.rpm
perl-libs-5.26.3-419.el8.i686.rpm
perl-libs-5.26.3-419.el8.x86_64.rpm
perl-libs-debuginfo-5.26.3-419.el8.i686.rpm
perl-libs-debuginfo-5.26.3-419.el8.x86_64.rpm
perl-macros-5.26.3-419.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-10543
https://access.redhat.com/security/cve/CVE-2020-10878
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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