SUSE-SU-2020:2609-1: moderate: Security update for libxml2

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for libxml2
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:2609-1
Rating:             moderate
References:         #1159928 #1161517 #1161521 #1172021 #1176179 
                    
Cross-References:   CVE-2019-19956 CVE-2019-20388 CVE-2020-24977
                    CVE-2020-7595
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP5
                    SUSE Linux Enterprise Server 12-SP5
______________________________________________________________________________

   An update that solves four vulnerabilities and has one
   errata is now available.

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 Security 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 Server 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 Server 12-SP5 (aarch64 ppc64le s390x x86_64):

      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
      libxml2-tools-2.9.4-46.34.1
      libxml2-tools-debuginfo-2.9.4-46.34.1
      python-libxml2-2.9.4-46.34.1
      python-libxml2-debuginfo-2.9.4-46.34.1
      python-libxml2-debugsource-2.9.4-46.34.1

   - SUSE Linux Enterprise Server 12-SP5 (s390x x86_64):

      libxml2-2-32bit-2.9.4-46.34.1
      libxml2-2-debuginfo-32bit-2.9.4-46.34.1

   - SUSE Linux Enterprise Server 12-SP5 (noarch):

      libxml2-doc-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/1159928
   https://bugzilla.suse.com/1161517
   https://bugzilla.suse.com/1161521
   https://bugzilla.suse.com/1172021
   https://bugzilla.suse.com/1176179