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Red Hat Enterprise Linux 8: RHSA-2020-1827 Moderate Libxml2 Security Update

red hat
Calendar Grey April 28, 2020
Dist Redhat Esm H88
The recent security update for Red Hat's libxml2 has been classified as moderate, addressing several serious vulnerabilities. Find out more about the implementation details.
An update for libxml2 is now available for Red Hat Enterprise Linux 8

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

The desktop must be restarted (log out, then log back in) for this update to take effect.

Summary

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 xz_decomp 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.

Topics%20covered

Topics Covered

security advisory moderate security issue Red Hat update libxml2

References

https://access.redhat.com/security/cve/CVE-2018-9251 https://access.redhat.com/security/cve/CVE-2018-14404 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: libxml2-debuginfo-2.9.7-7.el8.aarch64.rpm libxml2-debugsource-2.9.7-7.el8.aarch64.rpm libxml2-devel-2.9.7-7.el8.aarch64.rpm python3-libxml2-debuginfo-2.9.7-7.el8.aarch64.rpm
ppc64le: libxml2-debuginfo-2.9.7-7.el8.ppc64le.rpm libxml2-debugsource-2.9.7-7.el8.ppc64le.rpm libxml2-devel-2.9.7-7.el8.ppc64le.rpm python3-libxml2-debuginfo-2.9.7-7.el8.ppc64le.rpm
s390x: libxml2-debuginfo-2.9.7-7.el8.s390x.rpm libxml2-debugsource-2.9.7-7.el8.s390x.rpm libxml2-devel-2.9.7-7.el8.s390x.rpm python3-libxml2-debuginfo-2.9.7-7.el8.s390x.rpm
x86_64: libxml2-debuginfo-2.9.7-7.el8.i686.rpm libxml2-debuginfo-2.9.7-7.el8.x86_64.rpm libxml2-debugsource-2.9.7-7.el8.i686.rpm libxml2-debugsource-2.9.7-7.el8.x86_64.rpm libxml2-devel-2.9.7-7.el8.i686.rpm libxml2-devel-2.9.7-7.el8.x86_64.rpm python3-libxml2-debuginfo-2.9.7-7.el8.i686.rpm python3-libxml2-debuginfo-2.9.7-7.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source: libxml2-2.9.7-7.el8.src.rpm
aarch64: libxml2-2.9.7-7.el8.aarch64.rpm libxml2-debuginfo-2.9.7-7.el8.aarch64.rpm libxml2-debugsource-2.9.7-7.el8.aarch64.rpm python3-libxml2-2.9.7-7.el8.aarch64.rpm python3-libxml2-debuginfo-2.9.7-7.el8.aarch64.rpm
ppc64le: libxml2-2.9.7-7.el8.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:1827-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1827
Issue date: 2020-04-28

Topic

An update for libxml2 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.

Topics%20covered

Topics Covered

security advisory moderate security issue Red Hat update libxml2

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

Bugs Fixed

1565318 - CVE-2018-9251 libxml2: infinite loop in xz_decomp function in xzlib.c

1595985 - CVE-2018-14404 libxml2: NULL pointer dereference in xmlXPathCompOpEval() function in xpath.c

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