—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Moderate: libxslt security update
Advisory ID: RHSA-2020:4464-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4464
Issue date: 2020-11-03
CVE Names: CVE-2019-11068 CVE-2019-18197
=====================================================================

1. Summary:

An update for libxslt 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, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) – aarch64, ppc64le, s390x, x86_64

3. Description:

libxslt is a library for transforming XML files into other textual formats
(including HTML, plain text, and other XML representations of the
underlying data) using the standard XSLT stylesheet transformation
mechanism.

Security Fix(es):

* libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by
crafted URL (CVE-2019-11068)

* libxslt: use after free in xsltCopyText in transform.c could lead to
information disclosure (CVE-2019-18197)

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/):

1709697 – CVE-2019-11068 libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by crafted URL
1770768 – CVE-2019-18197 libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
libxslt-debuginfo-1.1.32-5.el8.aarch64.rpm
libxslt-debugsource-1.1.32-5.el8.aarch64.rpm
libxslt-devel-1.1.32-5.el8.aarch64.rpm

ppc64le:
libxslt-debuginfo-1.1.32-5.el8.ppc64le.rpm
libxslt-debugsource-1.1.32-5.el8.ppc64le.rpm
libxslt-devel-1.1.32-5.el8.ppc64le.rpm

s390x:
libxslt-debuginfo-1.1.32-5.el8.s390x.rpm
libxslt-debugsource-1.1.32-5.el8.s390x.rpm
libxslt-devel-1.1.32-5.el8.s390x.rpm

x86_64:
libxslt-debuginfo-1.1.32-5.el8.i686.rpm
libxslt-debuginfo-1.1.32-5.el8.x86_64.rpm
libxslt-debugsource-1.1.32-5.el8.i686.rpm
libxslt-debugsource-1.1.32-5.el8.x86_64.rpm
libxslt-devel-1.1.32-5.el8.i686.rpm
libxslt-devel-1.1.32-5.el8.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
libxslt-1.1.32-5.el8.src.rpm

aarch64:
libxslt-1.1.32-5.el8.aarch64.rpm
libxslt-debuginfo-1.1.32-5.el8.aarch64.rpm
libxslt-debugsource-1.1.32-5.el8.aarch64.rpm

ppc64le:
libxslt-1.1.32-5.el8.ppc64le.rpm
libxslt-debuginfo-1.1.32-5.el8.ppc64le.rpm
libxslt-debugsource-1.1.32-5.el8.ppc64le.rpm

s390x:
libxslt-1.1.32-5.el8.s390x.rpm
libxslt-debuginfo-1.1.32-5.el8.s390x.rpm
libxslt-debugsource-1.1.32-5.el8.s390x.rpm

x86_64:
libxslt-1.1.32-5.el8.i686.rpm
libxslt-1.1.32-5.el8.x86_64.rpm
libxslt-debuginfo-1.1.32-5.el8.i686.rpm
libxslt-debuginfo-1.1.32-5.el8.x86_64.rpm
libxslt-debugsource-1.1.32-5.el8.i686.rpm
libxslt-debugsource-1.1.32-5.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-2019-11068
https://access.redhat.com/security/cve/CVE-2019-18197
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.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=a2EG
—–END PGP SIGNATURE—–

—
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce