SUSE-SU-2026:1301-1: important: Security update for tigervnc

[SLE-UPDATES]

# Security update for tigervnc

Announcement ID: SUSE-SU-2026:1301-1  
Release Date: 2026-04-13T16:01:26Z  
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 High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1301=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1301=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * tigervnc-1.6.0-22.23.1
    * libXvnc1-1.6.0-22.23.1
    * xorg-x11-Xvnc-debuginfo-1.6.0-22.23.1
    * tigervnc-debuginfo-1.6.0-22.23.1
    * libXvnc1-debuginfo-1.6.0-22.23.1
    * tigervnc-debugsource-1.6.0-22.23.1
    * xorg-x11-Xvnc-1.6.0-22.23.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * tigervnc-1.6.0-22.23.1
    * libXvnc1-1.6.0-22.23.1
    * xorg-x11-Xvnc-debuginfo-1.6.0-22.23.1
    * tigervnc-debuginfo-1.6.0-22.23.1
    * libXvnc1-debuginfo-1.6.0-22.23.1
    * tigervnc-debugsource-1.6.0-22.23.1
    * xorg-x11-Xvnc-1.6.0-22.23.1

## References:

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

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