SUSE-SU-2026:22190-1: important: Security update for LibVNCServer

[SLE-SECURITY-UPDATES]

# Security update for LibVNCServer

Announcement ID: SUSE-SU-2026:22190-1  
Release Date: 2026-06-20T06:50:30Z  
Rating: important  
References:

  * bsc#1266459

  
Cross-References:

  * CVE-2026-44988

  
CVSS scores:

  * CVE-2026-44988 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-44988 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-44988 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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 LibVNCServer fixes the following issue

  * CVE-2026-44988: missing validation of rectangle width in tight gradient
    decoding can lead to server-triggered out-of- bounds write (bsc#1266459).

## 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-16.0-983=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-983=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * libvncclient1-debuginfo-0.9.14-160000.5.1
    * libvncserver1-0.9.14-160000.5.1
    * libvncserver1-debuginfo-0.9.14-160000.5.1
    * libvncclient1-0.9.14-160000.5.1
    * LibVNCServer-debugsource-0.9.14-160000.5.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * libvncclient1-debuginfo-0.9.14-160000.5.1
    * libvncserver1-0.9.14-160000.5.1
    * libvncserver1-debuginfo-0.9.14-160000.5.1
    * libvncclient1-0.9.14-160000.5.1
    * LibVNCServer-debugsource-0.9.14-160000.5.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-44988.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1266459

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-security-updates/attachments/20260623/ccfaddb7/attachment.htm>