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Vulnerability IntelligenceSUSE-SU-2026:2427-1

SUSE-SU-2026:2427-1

HIGH8.1

Security update for LibVNCServer

Published Jun 17, 2026

Modified 5 days ago

Fix available

Details

Description of the patch:

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).

Affected Packages

libvncclient1

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise Module for Package Hub 15 SP7SUSE Linux Enterprise Server 15 SP7SUSE Linux Enterprise Server for SAP Applications 15 SP7SUSE Linux Enterprise Workstation Extension 15 SP7

Fixed in:

0.9.14-150600.3.9.1

libvncserver1

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise Module for Package Hub 15 SP7SUSE Linux Enterprise Server 15 SP7SUSE Linux Enterprise Server for SAP Applications 15 SP7SUSE Linux Enterprise Workstation Extension 15 SP7

Fixed in:

0.9.14-150600.3.9.1

LibVNCServer-devel

SUSE Linux Enterprise Module for Package Hub 15 SP7

Fixed in:

0.9.14-150600.3.9.1

References

https://bugzilla.suse.com/1266459

https://lists.suse.com/pipermail/sle-updates/2026-June/047403.html

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

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-20262427-1/

CVSS Analysis

CVSS v3.1

8.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Upstream

Ecosystems

SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise Module for Package Hub 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7 SUSE Linux Enterprise Workstation Extension 15 SP7

Timeline

PublishedJun 17, 2026

ModifiedJun 17, 2026

SUSE-SU-2026:2427-1 | Mondoo Vulnerability Intelligence