RHSA-2020:1190 — Security Advisory

An update for libxml2 is now available for Red Hat Enterprise Linux 7.

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.

The libxml2 library is a development toolbox providing the implementation of various XML standards.

Security Fix(es):

• libxml2: Use after free triggered by XPointer paths beginning with range-to (CVE-2016-5131)

• libxml2: Use after free in xmlXPathCompOpEvalPositionalPredicate() function in xpath.c (CVE-2017-15412)

• libxml2: DoS caused by incorrect error detection during XZ decompression (CVE-2015-8035)

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

• libxml2: Unrestricted memory usage in xz_head() function in xzlib.c (CVE-2017-18258)

• libxml2: Infinite loop caused by incorrect error detection during LZMA decompression (CVE-2018-14567)

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 7.8 Release Notes linked from the References section.