SUSE Security Update: Security update for screen
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Announcement ID:    SUSE-SU-2019:1354-1
Rating:             moderate
References:         #1130831 #944458 
Cross-References:   CVE-2015-6806
Affected Products:
                    SUSE Linux Enterprise Server 12-SP4
                    SUSE Linux Enterprise Server 12-SP3
                    SUSE Linux Enterprise Desktop 12-SP4
                    SUSE Linux Enterprise Desktop 12-SP3
                    SUSE CaaS Platform ALL
                    SUSE CaaS Platform 3.0
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   An update that solves one vulnerability and has one errata
   is now available.

Description:

   This update for screen fixes the following issues:

   Security issue fixed:

   - CVE-2015-6806: Fixed a stack overflow due to deep recursion (bsc#944458).

   Non-security issue fixed:

   - Fixed segmentation faults related to altscreen and resizing screen
     (bsc#1130831).


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 Server 12-SP4:

      zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-1354=1

   - SUSE Linux Enterprise Server 12-SP3:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-1354=1

   - SUSE Linux Enterprise Desktop 12-SP4:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-1354=1

   - SUSE Linux Enterprise Desktop 12-SP3:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2019-1354=1

   - SUSE CaaS Platform ALL:

      To install this update, use the SUSE CaaS Platform Velum dashboard.
      It will inform you if it detects new updates and let you then trigger
      updating of the complete cluster in a controlled way.

   - SUSE CaaS Platform 3.0:

      To install this update, use the SUSE CaaS Platform Velum dashboard.
      It will inform you if it detects new updates and let you then trigger
      updating of the complete cluster in a controlled way.



Package List:

   - SUSE Linux Enterprise Server 12-SP4 (aarch64 ppc64le s390x x86_64):

      screen-4.0.4-23.3.3
      screen-debuginfo-4.0.4-23.3.3
      screen-debugsource-4.0.4-23.3.3

   - SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):

      screen-4.0.4-23.3.3
      screen-debuginfo-4.0.4-23.3.3
      screen-debugsource-4.0.4-23.3.3

   - SUSE Linux Enterprise Desktop 12-SP4 (x86_64):

      screen-4.0.4-23.3.3
      screen-debuginfo-4.0.4-23.3.3
      screen-debugsource-4.0.4-23.3.3

   - SUSE Linux Enterprise Desktop 12-SP3 (x86_64):

      screen-4.0.4-23.3.3
      screen-debuginfo-4.0.4-23.3.3
      screen-debugsource-4.0.4-23.3.3

   - SUSE CaaS Platform ALL (x86_64):

      screen-4.0.4-23.3.3
      screen-debuginfo-4.0.4-23.3.3
      screen-debugsource-4.0.4-23.3.3

   - SUSE CaaS Platform 3.0 (x86_64):

      screen-4.0.4-23.3.3
      screen-debuginfo-4.0.4-23.3.3
      screen-debugsource-4.0.4-23.3.3


References:

   https://www.suse.com/security/cve/CVE-2015-6806.html
   https://bugzilla.suse.com/1130831
   https://bugzilla.suse.com/944458

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