Security update for zlib

Announcement ID: SUSE-SU-2022:2845-1
Rating: important
References:
Cross-References:
CVSS scores:
  • 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
  • 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
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise High Performance Computing 12 SP3
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  • SUSE Linux Enterprise Server 12 SP3
  • SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3

An update that solves one vulnerability can now be installed.

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 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 SP2 BCL 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-2845=1
  • SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-2845=1

Package List:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • libz1-32bit-1.2.8-12.9.1
    • zlib-devel-1.2.8-12.9.1
    • libz1-debuginfo-32bit-1.2.8-12.9.1
    • libz1-1.2.8-12.9.1
    • libz1-debuginfo-1.2.8-12.9.1
    • zlib-debugsource-1.2.8-12.9.1
  • SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
    • libz1-32bit-1.2.8-12.9.1
    • zlib-devel-1.2.8-12.9.1
    • libz1-debuginfo-32bit-1.2.8-12.9.1
    • libz1-1.2.8-12.9.1
    • libz1-debuginfo-1.2.8-12.9.1
    • zlib-debugsource-1.2.8-12.9.1

References: