openSUSE-SU-2026:21666-1: moderate: Security update for gzip

openSUSE security update: security update for gzip
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Announcement ID: openSUSE-SU-2026:21666-1
Rating: moderate
References:

  * bsc#1269623
  * bsc#1272554



Cross-References:

  * CVE-2026-41992



CVSS scores:

  * CVE-2026-41992 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-41992 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

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An update that solves one vulnerability and has 2 bug fixes can now be installed.

Description:

This update for gzip fixes the following issues:

- CVE-2026-41992: global buffer overflow in the LZH decompression logic due to improper reuse of shared global state
  between different decompression formats within a single execution (bsc#1269623, bsc#1272554).


Patch instructions:

   To install this openSUSE 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:

- openSUSE Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-1529=1

Package List:

- openSUSE Leap 16.0:

  gzip-1.13-160000.4.1

References:

  * https://www.suse.com/security/cve/CVE-2026-41992.html