Security update for libxml2

Announcement ID:	SUSE-SU-2020:2609-1
Rating:	moderate
References:	bsc#1159928 bsc#1161517 bsc#1161521 bsc#1172021 bsc#1176179
Cross-References:	CVE-2019-19956 CVE-2019-20388 CVE-2020-24977 CVE-2020-7595
CVSS scores:	CVE-2019-19956 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2019-19956 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2019-20388 ( SUSE ): 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L CVE-2019-20388 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-24977 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2020-24977 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L CVE-2020-7595 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVE-2020-7595 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Software Development Kit 12 SP5

An update that solves four vulnerabilities and has one security fix can now be installed.

Description:

This update for libxml2 fixes the following issues:

• CVE-2019-20388: Fixed a memory leak in xmlSchemaPreRun (bsc#1161521).
• CVE-2020-7595: Fixed an infinite loop in an EOF situation (bsc#1161517).
• CVE-2020-24977: Fixed a global-buffer-overflow in xmlEncodeEntitiesInternal (bsc#1176179).
• Fixed invalid xmlns references due to CVE-2019-19956 (bsc#1172021).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Software Development Kit 12 SP5
  zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-2609=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2609=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2609=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2609=1

Package List:

• SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x x86_64)
  • libxml2-debugsource-2.9.4-46.34.1
  • libxml2-devel-2.9.4-46.34.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
  • python-libxml2-2.9.4-46.34.1
  • libxml2-tools-2.9.4-46.34.1
  • python-libxml2-debugsource-2.9.4-46.34.1
  • python-libxml2-debuginfo-2.9.4-46.34.1
  • libxml2-tools-debuginfo-2.9.4-46.34.1
  • libxml2-2-2.9.4-46.34.1
  • libxml2-2-debuginfo-2.9.4-46.34.1
  • libxml2-debugsource-2.9.4-46.34.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
  • libxml2-doc-2.9.4-46.34.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • libxml2-2-debuginfo-32bit-2.9.4-46.34.1
  • libxml2-2-32bit-2.9.4-46.34.1
• SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
  • python-libxml2-2.9.4-46.34.1
  • libxml2-tools-2.9.4-46.34.1
  • python-libxml2-debugsource-2.9.4-46.34.1
  • python-libxml2-debuginfo-2.9.4-46.34.1
  • libxml2-tools-debuginfo-2.9.4-46.34.1
  • libxml2-2-2.9.4-46.34.1
  • libxml2-2-debuginfo-2.9.4-46.34.1
  • libxml2-debugsource-2.9.4-46.34.1
• SUSE Linux Enterprise Server 12 SP5 (noarch)
  • libxml2-doc-2.9.4-46.34.1
• SUSE Linux Enterprise Server 12 SP5 (s390x x86_64)
  • libxml2-2-debuginfo-32bit-2.9.4-46.34.1
  • libxml2-2-32bit-2.9.4-46.34.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
  • python-libxml2-2.9.4-46.34.1
  • libxml2-tools-2.9.4-46.34.1
  • python-libxml2-debugsource-2.9.4-46.34.1
  • python-libxml2-debuginfo-2.9.4-46.34.1
  • libxml2-tools-debuginfo-2.9.4-46.34.1
  • libxml2-2-2.9.4-46.34.1
  • libxml2-2-debuginfo-2.9.4-46.34.1
  • libxml2-debugsource-2.9.4-46.34.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
  • libxml2-doc-2.9.4-46.34.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • libxml2-2-debuginfo-32bit-2.9.4-46.34.1
  • libxml2-2-32bit-2.9.4-46.34.1

References:

• https://www.suse.com/security/cve/CVE-2019-19956.html
• https://www.suse.com/security/cve/CVE-2019-20388.html
• https://www.suse.com/security/cve/CVE-2020-24977.html
• https://www.suse.com/security/cve/CVE-2020-7595.html
• https://bugzilla.suse.com/show_bug.cgi?id=1159928
• https://bugzilla.suse.com/show_bug.cgi?id=1161517
• https://bugzilla.suse.com/show_bug.cgi?id=1161521
• https://bugzilla.suse.com/show_bug.cgi?id=1172021
• https://bugzilla.suse.com/show_bug.cgi?id=1176179