Alerts This Week
Warning Icon 1 1,154
Alerts This Week
Warning Icon 1 1,154

SUSE LibVNCServer Important Denial of Service Advisory 2026-21206-1

suse
Calendar Grey April 21, 2026
Dist Suse Esm H88
Update for LibVNCServer addresses important issues including denial of service vulnerabilities in SUSE systems.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for LibVNCServer fixes the following issues: * CVE-2026-32853: crafted FramebufferUpdate message can lead to information disclosure or denial of service (bsc#1260431). * CVE-2026-32854: crafted HTTP requests can cause a denial of service (bsc#1260429). ## 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 for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-575=1 * SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-575=1 ## Package List: * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64) * LibVNCServer-debugsource-0.9.14-160000.4.1

Topics%20covered

Topics Covered

security advisory denial of service SuSE important information libvncserver

References

* bsc#1260429

* bsc#1260431

Cross-

* CVE-2026-32853

* CVE-2026-32854

CVSS scores:

* CVE-2026-32853 ( SUSE ): 7.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-32853 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

* CVE-2026-32853 ( NVD ): 6.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-32853 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

* CVE-2026-32854 ( SUSE ): 8.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-32854 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-32854 ( NVD ): 6.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21206-1
Release Date: 2026-04-16T13:10:27Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important information libvncserver

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here