-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Moderate: python-lxml security update
Advisory ID:       RHSA-2021:1898-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1898
Issue date:        2021-05-18
CVE Names:         CVE-2020-27783 
=====================================================================

1. Summary:

An update for python-lxml 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

3. Description:

lxml is an XML processing library providing access to libxml2 and libxslt
libraries using the Python ElementTree API. 

Security Fix(es):

* python-lxml: mXSS due to the use of improper parser (CVE-2020-27783)

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/):

1901633 - CVE-2020-27783 python-lxml: mXSS due to the use of improper parser

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
python-lxml-4.2.3-2.el8.src.rpm

aarch64:
python-lxml-debugsource-4.2.3-2.el8.aarch64.rpm
python3-lxml-4.2.3-2.el8.aarch64.rpm
python3-lxml-debuginfo-4.2.3-2.el8.aarch64.rpm

ppc64le:
python-lxml-debugsource-4.2.3-2.el8.ppc64le.rpm
python3-lxml-4.2.3-2.el8.ppc64le.rpm
python3-lxml-debuginfo-4.2.3-2.el8.ppc64le.rpm

s390x:
python-lxml-debugsource-4.2.3-2.el8.s390x.rpm
python3-lxml-4.2.3-2.el8.s390x.rpm
python3-lxml-debuginfo-4.2.3-2.el8.s390x.rpm

x86_64:
python-lxml-debugsource-4.2.3-2.el8.x86_64.rpm
python3-lxml-4.2.3-2.el8.x86_64.rpm
python3-lxml-debuginfo-4.2.3-2.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-2020-27783
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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=+8pS
-----END PGP SIGNATURE-----

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