RedHat: RHSA-2021-1898:01 Moderate: python-lxml security update | L...

Advisories

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=====================================================================
                   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 . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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RedHat: RHSA-2021-1898:01 Moderate: python-lxml security update

An update for python-lxml is now available for Red Hat Enterprise Linux 8

Summary

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.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258

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/

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/

Severity
Advisory ID: RHSA-2021:1898-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1898
Issued Date: : 2021-05-18
CVE Names: CVE-2020-27783

Topic

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Relevant Releases Architectures

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

Bugs Fixed

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

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