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openSUSE LibVNCServer Important Out-Of-Bounds Fix 2026-21118-1

opensuse
Calendar Grey June 30, 2026
Scroller Opensuse
An important security update addresses a vulnerability in LibVNCServer for openSUSE Leap 16.0, ensuring system integrity.
An update that solves one vulnerability and has one bug fix 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 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-16.0-983=1

Topics%20covered

Topics Covered

security advisory important out-of-bounds OpenSUSE CVE libvncserver

Patch

Package List

- openSUSE Leap 16.0:

LibVNCServer-devel-0.9.14-160000.5.1

libvncclient1-0.9.14-160000.5.1

libvncserver1-0.9.14-160000.5.1

References

* bsc#1266459

References:

* https://www.suse.com/security/cve/CVE-2026-44988.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21118-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory important out-of-bounds OpenSUSE CVE libvncserver

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