Security update for tigervnc

Announcement ID: SUSE-SU-2026:1302-1
Release Date: 2026-04-13T16:02:17Z
Rating: important
References:
Cross-References:
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:
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server 15 SP5 LTSS
  • SUSE Linux Enterprise Server for SAP Applications 15 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 High Performance Computing LTSS 15 SP5
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1302=1
  • SUSE Linux Enterprise Server 15 SP5 LTSS
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1302=1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1302=1
  • openSUSE Leap 15.5
    zypper in -t patch SUSE-2026-1302=1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1302=1

Package List:

  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
    • tigervnc-debugsource-1.12.0-150500.4.3.1
    • tigervnc-1.12.0-150500.4.3.1
    • libXvnc-devel-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-module-1.12.0-150500.4.3.1
    • libXvnc1-debuginfo-1.12.0-150500.4.3.1
    • libXvnc1-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-module-debuginfo-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-debuginfo-1.12.0-150500.4.3.1
    • tigervnc-debuginfo-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-1.12.0-150500.4.3.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    • xorg-x11-Xvnc-novnc-1.12.0-150500.4.3.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • tigervnc-debugsource-1.12.0-150500.4.3.1
    • tigervnc-1.12.0-150500.4.3.1
    • libXvnc-devel-1.12.0-150500.4.3.1
    • libXvnc1-debuginfo-1.12.0-150500.4.3.1
    • libXvnc1-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-debuginfo-1.12.0-150500.4.3.1
    • tigervnc-debuginfo-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-1.12.0-150500.4.3.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le x86_64)
    • xorg-x11-Xvnc-module-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-module-debuginfo-1.12.0-150500.4.3.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
    • xorg-x11-Xvnc-novnc-1.12.0-150500.4.3.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    • tigervnc-debugsource-1.12.0-150500.4.3.1
    • tigervnc-1.12.0-150500.4.3.1
    • libXvnc-devel-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-module-1.12.0-150500.4.3.1
    • libXvnc1-debuginfo-1.12.0-150500.4.3.1
    • libXvnc1-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-module-debuginfo-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-debuginfo-1.12.0-150500.4.3.1
    • tigervnc-debuginfo-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-1.12.0-150500.4.3.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
    • xorg-x11-Xvnc-novnc-1.12.0-150500.4.3.1
  • openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    • tigervnc-debugsource-1.12.0-150500.4.3.1
    • tigervnc-1.12.0-150500.4.3.1
    • libXvnc-devel-1.12.0-150500.4.3.1
    • libXvnc1-debuginfo-1.12.0-150500.4.3.1
    • libXvnc1-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-debuginfo-1.12.0-150500.4.3.1
    • tigervnc-debuginfo-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-1.12.0-150500.4.3.1
  • openSUSE Leap 15.5 (noarch)
    • xorg-x11-Xvnc-java-1.12.0-150500.4.3.1
    • tigervnc-x11vnc-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-novnc-1.12.0-150500.4.3.1
  • openSUSE Leap 15.5 (aarch64 ppc64le x86_64 i586)
    • xorg-x11-Xvnc-module-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-module-debuginfo-1.12.0-150500.4.3.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
    • tigervnc-debugsource-1.12.0-150500.4.3.1
    • tigervnc-1.12.0-150500.4.3.1
    • libXvnc-devel-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-module-1.12.0-150500.4.3.1
    • libXvnc1-debuginfo-1.12.0-150500.4.3.1
    • libXvnc1-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-module-debuginfo-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-debuginfo-1.12.0-150500.4.3.1
    • tigervnc-debuginfo-1.12.0-150500.4.3.1
    • xorg-x11-Xvnc-1.12.0-150500.4.3.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    • xorg-x11-Xvnc-novnc-1.12.0-150500.4.3.1

References: