SUSE-SU-2026:23950-1: moderate: Security update for gnome-shell

[SLE-SECURITY-UPDATES]

# Security update for gnome-shell

Announcement ID: SUSE-SU-2026:23950-1  
Release Date: 2026-09-29T17:39:58Z  
Rating: moderate  
References:

  * bsc#1280619

  
Cross-References:

  * CVE-2026-91786

  
CVSS scores:

  * CVE-2026-91786 ( 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
  * CVE-2026-91786 ( SUSE ):  6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-91786 ( NVD ):  6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for gnome-shell fixes the following issue:

  * CVE-2026-91786: missing dimension validation when processing icons from a
    remote search provider via D-Bus can lead to an out-of-bounds read
    (bsc#1280619).

## 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 for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-1786

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1786

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * gnome-shell-devel-48.4-160000.2.1
    * gnome-shell-debuginfo-48.4-160000.2.1
    * gnome-shell-48.4-160000.2.1
    * gnome-extensions-48.4-160000.2.1
    * gnome-shell-debugsource-48.4-160000.2.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * gnome-shell-lang-48.4-160000.2.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * gnome-shell-devel-48.4-160000.2.1
    * gnome-shell-debuginfo-48.4-160000.2.1
    * gnome-shell-48.4-160000.2.1
    * gnome-extensions-48.4-160000.2.1
    * gnome-shell-debugsource-48.4-160000.2.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * gnome-shell-lang-48.4-160000.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-91786.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1280619

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