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

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

Synopsis:          Moderate: python-lxml security update
Advisory ID:       RHSA-2022:1932-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:1932
Issue date:        2022-05-10
CVE Names:         CVE-2021-43818 
====================================================================
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: HTML Cleaner allows crafted and SVG embedded scripts to pass
through (CVE-2021-43818)

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 8.6 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/):

2032569 - CVE-2021-43818 python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass through

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
python-lxml-4.2.3-4.el8.src.rpm

aarch64:
python-lxml-debugsource-4.2.3-4.el8.aarch64.rpm
python3-lxml-4.2.3-4.el8.aarch64.rpm
python3-lxml-debuginfo-4.2.3-4.el8.aarch64.rpm

ppc64le:
python-lxml-debugsource-4.2.3-4.el8.ppc64le.rpm
python3-lxml-4.2.3-4.el8.ppc64le.rpm
python3-lxml-debuginfo-4.2.3-4.el8.ppc64le.rpm

s390x:
python-lxml-debugsource-4.2.3-4.el8.s390x.rpm
python3-lxml-4.2.3-4.el8.s390x.rpm
python3-lxml-debuginfo-4.2.3-4.el8.s390x.rpm

x86_64:
python-lxml-debugsource-4.2.3-4.el8.x86_64.rpm
python3-lxml-4.2.3-4.el8.x86_64.rpm
python3-lxml-debuginfo-4.2.3-4.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-2021-43818
https://access.redhat.com/security/updates/classification#moderate
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.6_release_notes/index

8. Contact:

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

Copyright 2022 Red Hat, Inc.
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