SUSE Security Update: Security update for zlib
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Announcement ID:    SUSE-SU-2022:2845-1
Rating:             important
References:         #1202175 
Cross-References:   CVE-2022-37434
CVSS scores:
                    CVE-2022-37434 (NVD) : 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-37434 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Server 12-SP2-BCL
                    SUSE Linux Enterprise Server 12-SP3-BCL
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   An update that fixes one vulnerability is now available.

Description:

   This update for zlib fixes the following issues:

   - CVE-2022-37434: Fixed heap-based buffer over-read or buffer overflow via
     large gzip header extra field (bsc#1202175).


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-SP3-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-2845=1

   - SUSE Linux Enterprise Server 12-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-2845=1



Package List:

   - SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):

      libz1-1.2.8-12.9.1
      libz1-32bit-1.2.8-12.9.1
      libz1-debuginfo-1.2.8-12.9.1
      libz1-debuginfo-32bit-1.2.8-12.9.1
      zlib-debugsource-1.2.8-12.9.1
      zlib-devel-1.2.8-12.9.1

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      libz1-1.2.8-12.9.1
      libz1-32bit-1.2.8-12.9.1
      libz1-debuginfo-1.2.8-12.9.1
      libz1-debuginfo-32bit-1.2.8-12.9.1
      zlib-debugsource-1.2.8-12.9.1
      zlib-devel-1.2.8-12.9.1


References:

   https://www.suse.com/security/cve/CVE-2022-37434.html
   https://bugzilla.suse.com/1202175