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libxml2 security update

Description

**CentOS Errata and Security Advisory** CESA-2020:3996 The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es): * libxml2: memory leak in xmlParseBalancedChunkMemoryRecover in parser.c (CVE-2019-19956) * libxml2: memory leak in xmlSchemaPreRun in xmlschemas.c (CVE-2019-20388) * libxml2: infinite loop in xmlStringLenDecodeEntities in some end-of-file situations (CVE-2020-7595) 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 7.9 Release Notes linked from the References section. **Merged security bulletin from advisories:** https://lists.centos.org/pipermail/centos-announce/2021-November/060925.html https://lists.centos.org/pipermail/centos-cr-announce/2020-October/019457.html **Affected packages:** libxml2 libxml2-devel libxml2-python libxml2-static **Upstream details at:** https://access.redhat.com/errata/RHSA-2020:3996


Affected Package


OS OS Version Package Name Package Version
CentOS 7 libxml2 2.9.1-6.el7.5
CentOS 7 libxml2 2.9.1-6.el7.5
CentOS 7 libxml2-devel 2.9.1-6.el7.5
CentOS 7 libxml2-devel 2.9.1-6.el7.5
CentOS 7 libxml2-python 2.9.1-6.el7.5
CentOS 7 libxml2-static 2.9.1-6.el7.5
CentOS 7 libxml2-static 2.9.1-6.el7.5
CentOS 7 libxml2 2.9.1-6.el7.5
CentOS 7 libxml2 2.9.1-6.el7.5
CentOS 7 libxml2-devel 2.9.1-6.el7.5
CentOS 7 libxml2-devel 2.9.1-6.el7.5
CentOS 7 libxml2-python 2.9.1-6.el7.5
CentOS 7 libxml2-static 2.9.1-6.el7.5
CentOS 7 libxml2-static 2.9.1-6.el7.5
CentOS 7 libxml2 2.9.1-6.el7.5

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