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Alerts This Week
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openSUSE Leap 16.0 LibVNCServer Important Denial of Service 2026-20552-1

opensuse
Calendar Grey April 21, 2026
Dist Opensuse Esm H88
An important security advisory for openSUSE fixes vulnerabilities in LibVNCServer impacting confidentiality and availability.
An update that solves 2 vulnerabilities and has 2 bug fixes can now be installed.

Description

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 openSUSE security update use the suse recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

zypper in -t patch openSUSE-Leap-16.0-575=1

Topics%20covered

Topics Covered

security advisory denial of service important information disclosure OpenSUSE libvncserver

Patch

Package List

- openSUSE Leap 16.0:

LibVNCServer-devel-0.9.14-160000.4.1

libvncclient1-0.9.14-160000.4.1

libvncserver1-0.9.14-160000.4.1

References

* bsc#1260429

* bsc#1260431

References:

* https://www.suse.com/security/cve/CVE-2026-32853.html

* https://www.suse.com/security/cve/CVE-2026-32854.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20552-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory denial of service important information disclosure OpenSUSE libvncserver

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