Upstream information
Description
LibVNCServer versions 0.9.15 and prior (fixed in commit 009008e) contain a heap out-of-bounds read vulnerability in the UltraZip encoding handler that allows a malicious VNC server to cause information disclosure or application crash. Attackers can exploit improper bounds checking in the HandleUltraZipBPP() function by manipulating subrectangle header counts to read beyond the allocated heap buffer.SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having important severity.
| CVSS detail | National Vulnerability Database | SUSE |
|---|---|---|
| Base Score | 8.1 | 7.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |
| Attack Vector | Network | Network |
| Attack Complexity | Low | Low |
| Privileges Required | None | None |
| User Interaction | Required | Required |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | High | Low |
| Integrity Impact | None | None |
| Availability Impact | High | High |
| CVSSv3 Version | 3.1 | 3.1 |
| CVSS detail | CNA (VulnCheck) | SUSE |
|---|---|---|
| Base Score | 6.9 | 7.1 |
| Vector | 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 | 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 |
| Attack Vector | Network | Network |
| Attack Complexity | Low | Low |
| Attack Requirements | None | None |
| Privileges Required | None | None |
| User Interaction | None | Passive |
| Vulnerable System Confidentiality Impact | Low | Low |
| Vulnerable System Integrity Impact | None | None |
| Vulnerable System Availability Impact | Low | High |
| Subsequent System Confidentiality Impact | None | None |
| Subsequent System Integrity Impact | None | None |
| Subsequent System Availability Impact | None | None |
| CVSSv4 Version | 4.0 | 4.0 |
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| openSUSE Tumbleweed |
| Patchnames: openSUSE-Tumbleweed-2026-10433 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SUSE Linux Enterprise Desktop 15 SP7 | LibVNCServer | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP7 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 15 SP7 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 16.0 | LibVNCServer | In progress |
| SUSE Linux Enterprise Server 16.1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.0 | LibVNCServer | In progress |
| SUSE Linux Enterprise Server for SAP applications 16.1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Workstation Extension 15 SP7 | LibVNCServer | Affected |
| openSUSE Leap 15.6 | LibVNCServer | Affected |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SUSE Linux Enterprise Server 12 SP5 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP5-LTSS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 15 SP6 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | LibVNCServer | Affected |
| Products past their end of life and not receiving proactive updates anymore. | ||
| HPE Helion OpenStack 8 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 12 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 12 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 12 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 12 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 12 SP4 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 15 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 15 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 15 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 15 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Desktop 15 SP6 | LibVNCServer | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 | LibVNCServer | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP5 | LibVNCServer | Affected |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | LibVNCServer | Affected |
| SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP1-LTSS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP2-BCL | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP2-ESPOS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP2-LTSS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP3-BCL | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP3-ESPOS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP3-LTSS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP4 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP4-ESPOS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12 SP4-LTSS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 12-LTSS | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 15 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 15 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 15 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server 15 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Software Development Kit 12 | LibVNCServer | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP4 | LibVNCServer | Affected |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | LibVNCServer | Affected |
| SUSE Linux Enterprise Workstation Extension 15 | LibVNCServer | Affected |
| SUSE Linux Enterprise Workstation Extension 15 SP1 | LibVNCServer | Affected |
| SUSE Linux Enterprise Workstation Extension 15 SP2 | LibVNCServer | Affected |
| SUSE Linux Enterprise Workstation Extension 15 SP3 | LibVNCServer | Affected |
| SUSE Linux Enterprise Workstation Extension 15 SP6 | LibVNCServer | Affected |
| SUSE OpenStack Cloud 7 | LibVNCServer | Affected |
| SUSE OpenStack Cloud 8 | LibVNCServer | Affected |
| SUSE OpenStack Cloud 9 | LibVNCServer | Affected |
| SUSE OpenStack Cloud Crowbar 8 | LibVNCServer | Affected |
| SUSE OpenStack Cloud Crowbar 9 | LibVNCServer | Affected |
| openSUSE Leap 15.3 | LibVNCServer | Affected |
SUSE Timeline for this CVE
CVE page created: Tue Mar 24 20:02:17 2026CVE page last modified: Fri Mar 27 01:47:15 2026