Security update for LibVNCServer

Announcement ID: SUSE-SU-2026:2227-1
Release Date: 2026-06-03T08:06:48Z
Rating: important
References:
Cross-References:
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 Desktop 15 SP7
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7
  • SUSE Package Hub 15 15-SP7

An update that solves one vulnerability can now be installed.

Description:

This update for LibVNCServer fixes the following issues:

  • CVE-2026-44988: Fixed 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 Package Hub 15 15-SP7
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-2227=1

Package List:

  • SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    • libvncserver0-debuginfo-0.9.10-150000.4.38.1
    • LibVNCServer-debugsource-0.9.10-150000.4.38.1
    • libvncserver0-0.9.10-150000.4.38.1

References: