Security update for screen

SUSE Security Update: Security update for screen
Announcement ID: SUSE-SU-2021:0491-1
Rating: important
References: #1182092
Cross-References:CVE-2021-26937
Affected Products:
  • SUSE OpenStack Cloud Crowbar 9
  • SUSE OpenStack Cloud Crowbar 8
  • SUSE OpenStack Cloud 9
  • SUSE OpenStack Cloud 8
  • SUSE OpenStack Cloud 7
  • SUSE Linux Enterprise Server for SAP 12-SP4
  • SUSE Linux Enterprise Server for SAP 12-SP3
  • SUSE Linux Enterprise Server for SAP 12-SP2
  • SUSE Linux Enterprise Server 12-SP5
  • SUSE Linux Enterprise Server 12-SP4-LTSS
  • SUSE Linux Enterprise Server 12-SP3-LTSS
  • SUSE Linux Enterprise Server 12-SP3-BCL
  • SUSE Linux Enterprise Server 12-SP2-LTSS
  • SUSE Linux Enterprise Server 12-SP2-BCL
  • HPE Helion Openstack 8

An update that fixes one vulnerability is now available.

Description:

This update for screen fixes the following issues:

  • CVE-2021-26937: Fixed double width combining char handling that could lead to a denial of service or code execution (bsc#1182092).

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 OpenStack Cloud Crowbar 9:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-491=1
  • SUSE OpenStack Cloud Crowbar 8:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-491=1
  • SUSE OpenStack Cloud 9:
    zypper in -t patch SUSE-OpenStack-Cloud-9-2021-491=1
  • SUSE OpenStack Cloud 8:
    zypper in -t patch SUSE-OpenStack-Cloud-8-2021-491=1
  • SUSE OpenStack Cloud 7:
    zypper in -t patch SUSE-OpenStack-Cloud-7-2021-491=1
  • SUSE Linux Enterprise Server for SAP 12-SP4:
    zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-491=1
  • SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-491=1
  • SUSE Linux Enterprise Server for SAP 12-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2021-491=1
  • SUSE Linux Enterprise Server 12-SP5:
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-491=1
  • SUSE Linux Enterprise Server 12-SP4-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-491=1
  • SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-491=1
  • SUSE Linux Enterprise Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-491=1
  • SUSE Linux Enterprise Server 12-SP2-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2021-491=1
  • SUSE Linux Enterprise Server 12-SP2-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-491=1
  • HPE Helion Openstack 8:
    zypper in -t patch HPE-Helion-OpenStack-8-2021-491=1

Package List:

  • SUSE OpenStack Cloud Crowbar 9 (x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE OpenStack Cloud Crowbar 8 (x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE OpenStack Cloud 9 (x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE OpenStack Cloud 8 (x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE OpenStack Cloud 7 (s390x x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server 12-SP4-LTSS (aarch64 ppc64le s390x x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server 12-SP3-LTSS (aarch64 ppc64le s390x x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le s390x x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1
  • HPE Helion Openstack 8 (x86_64):
    • screen-4.0.4-23.6.1
    • screen-debuginfo-4.0.4-23.6.1
    • screen-debugsource-4.0.4-23.6.1

References: