Issued:
2020-09-29
Updated:
2020-09-29

RHSA-2020:3996 - Moderate: libxml2 security and bug fix update

Synopsis

Moderate: libxml2 security and bug fix update

Type/Severity

Security Advisory Moderate

Topic

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.

Description

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.

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.

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for Scientific Computing7x86_64
Red Hat Enterprise Linux for Power, little endian7ppc64le
Red Hat Enterprise Linux for Power, big endian7ppc64
Red Hat Enterprise Linux for IBM z Systems7s390x
Red Hat Enterprise Linux Workstation7x86_64
Red Hat Enterprise Linux Server7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian7ppc64le
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian7ppc64
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)7s390x
Red Hat Enterprise Linux Desktop7x86_64

Updated Packages

  • libxml2-devel-2.9.1-6.el7.5.s390x.rpm
  • libxml2-2.9.1-6.el7.5.src.rpm
  • libxml2-static-2.9.1-6.el7.5.x86_64.rpm
  • libxml2-python-2.9.1-6.el7.5.x86_64.rpm
  • libxml2-debuginfo-2.9.1-6.el7.5.i686.rpm
  • libxml2-debuginfo-2.9.1-6.el7.5.ppc.rpm
  • libxml2-2.9.1-6.el7.5.i686.rpm
  • libxml2-2.9.1-6.el7.5.ppc64le.rpm
  • libxml2-2.9.1-6.el7.5.x86_64.rpm
  • libxml2-2.9.1-6.el7.5.ppc.rpm
  • libxml2-static-2.9.1-6.el7.5.s390.rpm
  • libxml2-debuginfo-2.9.1-6.el7.5.s390.rpm
  • libxml2-debuginfo-2.9.1-6.el7.5.x86_64.rpm
  • libxml2-devel-2.9.1-6.el7.5.ppc64.rpm
  • libxml2-static-2.9.1-6.el7.5.ppc64le.rpm
  • libxml2-debuginfo-2.9.1-6.el7.5.ppc64le.rpm
  • libxml2-devel-2.9.1-6.el7.5.ppc64le.rpm
  • libxml2-devel-2.9.1-6.el7.5.x86_64.rpm
  • libxml2-static-2.9.1-6.el7.5.s390x.rpm
  • libxml2-python-2.9.1-6.el7.5.ppc64le.rpm
  • libxml2-python-2.9.1-6.el7.5.s390x.rpm
  • libxml2-2.9.1-6.el7.5.ppc64.rpm
  • libxml2-devel-2.9.1-6.el7.5.i686.rpm
  • libxml2-2.9.1-6.el7.5.s390x.rpm
  • libxml2-devel-2.9.1-6.el7.5.s390.rpm
  • libxml2-static-2.9.1-6.el7.5.ppc.rpm
  • libxml2-python-2.9.1-6.el7.5.ppc64.rpm
  • libxml2-debuginfo-2.9.1-6.el7.5.ppc64.rpm
  • libxml2-static-2.9.1-6.el7.5.ppc64.rpm
  • libxml2-static-2.9.1-6.el7.5.i686.rpm
  • libxml2-2.9.1-6.el7.5.s390.rpm
  • libxml2-debuginfo-2.9.1-6.el7.5.s390x.rpm
  • libxml2-devel-2.9.1-6.el7.5.ppc.rpm

Fixes

CVEs

References

Additional information