SUSE Security Update: Security update for libX11
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Announcement ID:    SUSE-SU-2021:1766-1
Rating:             moderate
References:         #1182506 
Cross-References:   CVE-2021-31535
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP5
                    SUSE Linux Enterprise Server 12-SP5
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   An update that fixes one vulnerability is now available.

Description:

   This update for libX11 fixes the following issues:

   - CVE-2021-31535: Fixed missing request length checks in libX11
     (bsc#1182506).


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-SP5-2021-1766=1

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1766=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le
 s390x x86_64):

      libX11-debugsource-1.6.2-12.18.1
      libX11-devel-1.6.2-12.18.1

   - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):

      libX11-6-1.6.2-12.18.1
      libX11-6-debuginfo-1.6.2-12.18.1
      libX11-debugsource-1.6.2-12.18.1
      libX11-xcb1-1.6.2-12.18.1
      libX11-xcb1-debuginfo-1.6.2-12.18.1

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

      libX11-6-32bit-1.6.2-12.18.1
      libX11-6-debuginfo-32bit-1.6.2-12.18.1
      libX11-xcb1-32bit-1.6.2-12.18.1
      libX11-xcb1-debuginfo-32bit-1.6.2-12.18.1

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

      libX11-data-1.6.2-12.18.1


References:

   https://www.suse.com/security/cve/CVE-2021-31535.html
   https://bugzilla.suse.com/1182506