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

Synopsis:          Moderate: libsolv security, bug fix, and enhancement update
Advisory ID:       RHSA-2020:4508-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4508
Issue date:        2020-11-03
CVE Names:         CVE-2019-20387
====================================================================
1. Summary:

An update for libsolv 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 BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

The libsolv packages provide a library for resolving package dependencies
using a satisfiability algorithm.

The following packages have been upgraded to a later upstream version:
libsolv (0.7.11). (BZ#1809106)

Security Fix(es):

* libsolv: out-of-bounds read in repodata_schema2id in repodata.c
(CVE-2019-20387)

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 8.3 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/):

1796536 - No Python 3 bindings for libsolv in RHEL8
1797072 - CVE-2019-20387 libsolv: out-of-bounds read in repodata_schema2id in repodata.c
1809106 - Rebase libsolv to >= 0.7.11

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
libsolv-0.7.11-1.el8.src.rpm

aarch64:
libsolv-0.7.11-1.el8.aarch64.rpm
libsolv-debuginfo-0.7.11-1.el8.aarch64.rpm
libsolv-debugsource-0.7.11-1.el8.aarch64.rpm
libsolv-demo-debuginfo-0.7.11-1.el8.aarch64.rpm
libsolv-tools-debuginfo-0.7.11-1.el8.aarch64.rpm
perl-solv-debuginfo-0.7.11-1.el8.aarch64.rpm
python3-solv-0.7.11-1.el8.aarch64.rpm
python3-solv-debuginfo-0.7.11-1.el8.aarch64.rpm
ruby-solv-debuginfo-0.7.11-1.el8.aarch64.rpm

ppc64le:
libsolv-0.7.11-1.el8.ppc64le.rpm
libsolv-debuginfo-0.7.11-1.el8.ppc64le.rpm
libsolv-debugsource-0.7.11-1.el8.ppc64le.rpm
libsolv-demo-debuginfo-0.7.11-1.el8.ppc64le.rpm
libsolv-tools-debuginfo-0.7.11-1.el8.ppc64le.rpm
perl-solv-debuginfo-0.7.11-1.el8.ppc64le.rpm
python3-solv-0.7.11-1.el8.ppc64le.rpm
python3-solv-debuginfo-0.7.11-1.el8.ppc64le.rpm
ruby-solv-debuginfo-0.7.11-1.el8.ppc64le.rpm

s390x:
libsolv-0.7.11-1.el8.s390x.rpm
libsolv-debuginfo-0.7.11-1.el8.s390x.rpm
libsolv-debugsource-0.7.11-1.el8.s390x.rpm
libsolv-demo-debuginfo-0.7.11-1.el8.s390x.rpm
libsolv-tools-debuginfo-0.7.11-1.el8.s390x.rpm
perl-solv-debuginfo-0.7.11-1.el8.s390x.rpm
python3-solv-0.7.11-1.el8.s390x.rpm
python3-solv-debuginfo-0.7.11-1.el8.s390x.rpm
ruby-solv-debuginfo-0.7.11-1.el8.s390x.rpm

x86_64:
libsolv-0.7.11-1.el8.i686.rpm
libsolv-0.7.11-1.el8.x86_64.rpm
libsolv-debuginfo-0.7.11-1.el8.i686.rpm
libsolv-debuginfo-0.7.11-1.el8.x86_64.rpm
libsolv-debugsource-0.7.11-1.el8.i686.rpm
libsolv-debugsource-0.7.11-1.el8.x86_64.rpm
libsolv-demo-debuginfo-0.7.11-1.el8.i686.rpm
libsolv-demo-debuginfo-0.7.11-1.el8.x86_64.rpm
libsolv-tools-debuginfo-0.7.11-1.el8.i686.rpm
libsolv-tools-debuginfo-0.7.11-1.el8.x86_64.rpm
perl-solv-debuginfo-0.7.11-1.el8.i686.rpm
perl-solv-debuginfo-0.7.11-1.el8.x86_64.rpm
python3-solv-0.7.11-1.el8.x86_64.rpm
python3-solv-debuginfo-0.7.11-1.el8.i686.rpm
python3-solv-debuginfo-0.7.11-1.el8.x86_64.rpm
ruby-solv-debuginfo-0.7.11-1.el8.i686.rpm
ruby-solv-debuginfo-0.7.11-1.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-2019-20387
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_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 2020 Red Hat, Inc.
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