SUSE-SU-2026:21140-1: important: Security update for tigervnc

[SLE-UPDATES]

# Security update for tigervnc

Announcement ID: SUSE-SU-2026:21140-1  
Release Date: 2026-04-07T12:21:55Z  
Rating: important  
References:

  * bsc#1260871

  
Cross-References:

  * CVE-2026-34352

  
CVSS scores:

  * CVE-2026-34352 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
  * CVE-2026-34352 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-34352 ( NVD ):  8.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L

  
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 tigervnc fixes the following issues:

  * CVE-2026-34352: Fixed permissions to prevent other users from observing the
    screen, or modifying what is sent to the client. (bsc#1260871)

## 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 16.0  
    zypper in -t patch SUSE-SLES-16.0-479=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-479=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * tigervnc-debuginfo-1.15.0-160000.3.1
    * tigervnc-debugsource-1.15.0-160000.3.1
    * tigervnc-1.15.0-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * tigervnc-selinux-1.15.0-160000.3.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * tigervnc-debuginfo-1.15.0-160000.3.1
    * tigervnc-debugsource-1.15.0-160000.3.1
    * tigervnc-1.15.0-160000.3.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * tigervnc-selinux-1.15.0-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-34352.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1260871

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