SUSE-SU-2026:21738-1: important: Security update for libsolv, libzypp, zypper

[SLE-UPDATES]

# Security update for libsolv, libzypp, zypper

Announcement ID: SUSE-SU-2026:21738-1  
Release Date: 2026-05-21T09:23:01Z  
Rating: important  
References:

  * bsc#1265223
  * jsc#PED-11922

  
Cross-References:

  * CVE-2026-44933

  
CVSS scores:

  * CVE-2026-44933 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-44933 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-44933 ( NVD ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-44933 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that solves one vulnerability and contains one feature can now be
installed.

## Description:

This update for libsolv, libzypp, zypper fixes the following issues:

  * CVE-2026-44933: prevent configured scripts from escaping the sigcheck
    directory (bsc#1265223)

Changes in libsolv:

  * update to version 0.7.37:
    * fix parsing of sha512 checksums in debian repositories
    * improve speed of dirpool_add_dir makeing parsing of filelists.xml twice as fast
    * fix parsing of recommands in the old Mandriva synthesis format

Changes in libzypp:

  * update to version 17.38.9:
    * Mandatory signature verification plugin support (jsc#PED-11922)

Changes in zypper:

  * update to version 1.14.97:
  * Add --filter-version-change to zypper lu. Adds filtering by version change
    significance to reduce noise in update listings. Supports levels: rebuild
    (hides rebuild-only changes) and package (hides all release-only changes).

## Special Instructions and Notes:

## 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 Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-538=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64)
    * zypper-1.14.97-slfo.1.1_1.1
    * zypper-debugsource-1.14.97-slfo.1.1_1.1
    * libzypp-debugsource-17.38.9-slfo.1.1_1.1
    * libsolv-tools-base-debuginfo-0.7.37-slfo.1.1_1.1
    * libsolv-debugsource-0.7.37-slfo.1.1_1.1
    * libzypp-debuginfo-17.38.9-slfo.1.1_1.1
    * libzypp-17.38.9-slfo.1.1_1.1
    * zypper-debuginfo-1.14.97-slfo.1.1_1.1
    * libsolv-tools-base-0.7.37-slfo.1.1_1.1
  * SUSE Linux Micro 6.1 (noarch)
    * zypper-needs-restarting-1.14.97-slfo.1.1_1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-44933.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1265223
  * https://jira.suse.com/browse/PED-11922

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