RHSA-2020:1827: Moderate: libxml2 security update

Published Apr 28, 2020
·
Updated

The libxml2 library is a development toolbox providing the implementation of various XML standards.Security Fix(es): libxml2: NULL pointer dereference in xmlXPathCompOpEval() function in xpath.c (CVE-2018-14404) libxml2: infinite loop in xzdecomp function in xzlib.c (CVE-2018-9251) 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 8.2 Release Notes linked from the References section.

Affected Software

24 affected componentsFixes available
redhat/libxml2<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-debuginfo<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-debuginfo<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-debugsource<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-debugsource<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-devel<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-devel<2.9.7-7.el8
2.9.7-7.el8
redhat/python3-libxml2<2.9.7-7.el8
2.9.7-7.el8
redhat/python3-libxml2-debuginfo<2.9.7-7.el8
2.9.7-7.el8
redhat/python3-libxml2-debuginfo<2.9.7-7.el8
2.9.7-7.el8
redhat/python3-libxml2<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-debuginfo<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-debugsource<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2-devel<2.9.7-7.el8
2.9.7-7.el8
redhat/python3-libxml2<2.9.7-7.el8
2.9.7-7.el8
redhat/python3-libxml2-debuginfo<2.9.7-7.el8
2.9.7-7.el8
redhat/libxml2<2.9.7-7.el8.aa
2.9.7-7.el8.aa
redhat/libxml2-debuginfo<2.9.7-7.el8.aa
2.9.7-7.el8.aa
redhat/libxml2-debugsource<2.9.7-7.el8.aa
2.9.7-7.el8.aa
redhat/libxml2-devel<2.9.7-7.el8.aa
2.9.7-7.el8.aa
redhat/python3-libxml2<2.9.7-7.el8.aa
2.9.7-7.el8.aa
redhat/python3-libxml2-debuginfo<2.9.7-7.el8.aa
2.9.7-7.el8.aa

Remediation

Event History

Apr 2, 2026
Advisory Published
via Red Hat·09:28 AM
Data Sourced
via Red Hat·09:28 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2020:1827?

The severity of RHSA-2020:1827 is classified as moderate.

2

How do I fix RHSA-2020:1827?

To fix RHSA-2020:1827, upgrade the libxml2 package to version 2.9.7-7.el8 or later.

3

What vulnerabilities are addressed in RHSA-2020:1827?

RHSA-2020:1827 addresses a NULL pointer dereference in xmlXPathCompOpEval() and an infinite loop in the xz_decomp function.

4

Which software packages are affected by RHSA-2020:1827?

Affected packages include libxml2, libxml2-debugsource, libxml2-devel, python3-libxml2, and their corresponding debuginfo versions.

5

Is a reboot required after applying the fix for RHSA-2020:1827?

A reboot is not typically required after applying the fix for RHSA-2020:1827, but it's advisable to verify service health.

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