Upstream information

CVE-2026-39316 at MITRE

Description

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a use-after-free vulnerability exists in the CUPS scheduler (cupsd) when temporary printers are automatically deleted. cupsdDeleteTemporaryPrinters() in scheduler/printers.c calls cupsdDeletePrinter() without first expiring subscriptions that reference the printer, leaving cupsd_subscription_t.dest as a dangling pointer to freed heap memory. The dangling pointer is subsequently dereferenced at multiple code sites, causing a crash (denial of service) of the cupsd daemon. With heap grooming, this can be leveraged for code execution.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail CNA (GitHub) SUSE
Base Score 4 5.5
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local Local
Attack Complexity Low Low
Privileges Required None Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Low High
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
CVSS detail SUSE
Base Score 6.8
Vector CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Attack Vector Local
Attack Complexity Low
Attack Requirements None
Privileges Required Low
User Interaction None
Vulnerable System Confidentiality Impact None
Vulnerable System Integrity Impact None
Vulnerable System Availability Impact High
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1261742 [NEW]

No SUSE Security Announcements cross referenced.


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 cups Affected
SUSE Linux Enterprise Micro 5.2 cups Affected
SUSE Linux Enterprise Micro 5.3 cups Affected
SUSE Linux Enterprise Micro 5.4 cups Affected
SUSE Linux Enterprise Micro 5.5 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 cups Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP7 cups Affected
SUSE Linux Enterprise Server 15 SP7 cups Affected
SUSE Linux Enterprise Server 16.0 cups Affected
SUSE Linux Enterprise Server 16.1 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 cups Affected
SUSE Linux Enterprise Server for SAP applications 16.0 cups Affected
SUSE Linux Enterprise Server for SAP applications 16.1 cups Affected
SUSE Linux Micro 6.0 cups Affected
SUSE Linux Micro 6.1 cups Affected
SUSE Linux Micro 6.2 cups Affected
openSUSE Leap 15.6 cups Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 cups Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP5 cups Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP6 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP4 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP5 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP6 cups Affected
SUSE Linux Enterprise Server 12 SP5 cups Affected
SUSE Linux Enterprise Server 12 SP5-LTSS cups Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security cups Affected
SUSE Linux Enterprise Server 15 SP4 cups Affected
SUSE Linux Enterprise Server 15 SP4-LTSS cups Affected
SUSE Linux Enterprise Server 15 SP5 cups Affected
SUSE Linux Enterprise Server 15 SP5-LTSS cups Affected
SUSE Linux Enterprise Server 15 SP6 cups Affected
SUSE Linux Enterprise Server 15 SP6-LTSS cups Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 cups Affected
SUSE Manager Proxy 4.3 cups Affected
SUSE Manager Proxy LTS 4.3 cups Affected
SUSE Manager Retail Branch Server 4.3 cups Affected
SUSE Manager Retail Branch Server LTS 4.3 cups Affected
SUSE Manager Server 4.3 cups Affected
SUSE Manager Server LTS 4.3 cups Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 cups Affected
SUSE CaaS Platform 4.0 cups Affected
SUSE Enterprise Storage 6 cups Affected
SUSE Enterprise Storage 7 cups Affected
SUSE Enterprise Storage 7.1 cups Affected
SUSE Linux Enterprise Desktop 12 cups Affected
SUSE Linux Enterprise Desktop 12 SP1 cups Affected
SUSE Linux Enterprise Desktop 12 SP2 cups Affected
SUSE Linux Enterprise Desktop 12 SP3 cups Affected
SUSE Linux Enterprise Desktop 12 SP4 cups Affected
SUSE Linux Enterprise Desktop 15 cups Affected
SUSE Linux Enterprise Desktop 15 SP1 cups Affected
SUSE Linux Enterprise Desktop 15 SP2 cups Affected
SUSE Linux Enterprise Desktop 15 SP3 cups Affected
SUSE Linux Enterprise Desktop 15 SP4 cups Affected
SUSE Linux Enterprise Desktop 15 SP5 cups Affected
SUSE Linux Enterprise Desktop 15 SP6 cups Affected
SUSE Linux Enterprise High Performance Computing 15 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 cups Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS cups Affected
SUSE Linux Enterprise Module for Basesystem 15 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 cups Affected
SUSE Linux Enterprise Module for Desktop Applications 15 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP1 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP2 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 cups Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT cups Affected
SUSE Linux Enterprise Real Time 15 SP2 cups Affected
SUSE Linux Enterprise Real Time 15 SP3 cups Affected
SUSE Linux Enterprise Real Time 15 SP4 cups Affected
SUSE Linux Enterprise Server 12 cups Affected
SUSE Linux Enterprise Server 12 SP1 cups Affected
SUSE Linux Enterprise Server 12 SP1-LTSS cups Affected
SUSE Linux Enterprise Server 12 SP2 cups Affected
SUSE Linux Enterprise Server 12 SP2-BCL cups Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS cups Affected
SUSE Linux Enterprise Server 12 SP2-LTSS cups Affected
SUSE Linux Enterprise Server 12 SP3 cups Affected
SUSE Linux Enterprise Server 12 SP3-BCL cups Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS cups Affected
SUSE Linux Enterprise Server 12 SP3-LTSS cups Affected
SUSE Linux Enterprise Server 12 SP4 cups Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS cups Affected
SUSE Linux Enterprise Server 12 SP4-LTSS cups Affected
SUSE Linux Enterprise Server 12-LTSS cups Affected
SUSE Linux Enterprise Server 15 cups Affected
SUSE Linux Enterprise Server 15 SP1 cups Affected
SUSE Linux Enterprise Server 15 SP1-BCL cups Affected
SUSE Linux Enterprise Server 15 SP1-LTSS cups Affected
SUSE Linux Enterprise Server 15 SP2 cups Affected
SUSE Linux Enterprise Server 15 SP2-BCL cups Affected
SUSE Linux Enterprise Server 15 SP2-LTSS cups Affected
SUSE Linux Enterprise Server 15 SP3 cups Affected
SUSE Linux Enterprise Server 15 SP3-BCL cups Affected
SUSE Linux Enterprise Server 15 SP3-LTSS cups Affected
SUSE Linux Enterprise Server 15-LTSS cups Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 cups Affected
SUSE Linux Enterprise Software Development Kit 12 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP1 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP2 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP3 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP4 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP5 cups Affected
SUSE Manager Proxy 4.0 cups Affected
SUSE Manager Proxy 4.1 cups Affected
SUSE Manager Proxy 4.2 cups Affected
SUSE Manager Retail Branch Server 4.0 cups Affected
SUSE Manager Retail Branch Server 4.1 cups Affected
SUSE Manager Retail Branch Server 4.2 cups Affected
SUSE Manager Server 4.0 cups Affected
SUSE Manager Server 4.1 cups Affected
SUSE Manager Server 4.2 cups Affected
SUSE OpenStack Cloud 7 cups Affected
SUSE OpenStack Cloud 8 cups Affected
SUSE OpenStack Cloud 9 cups Affected
SUSE OpenStack Cloud Crowbar 8 cups Affected
SUSE OpenStack Cloud Crowbar 9 cups Affected
openSUSE Leap 15.3 cups Affected
openSUSE Leap 15.4 cups Affected
openSUSE Leap 15.5 cups Affected
openSUSE Leap Micro 5.2 cups Affected
openSUSE Leap Micro 5.3 cups Affected
openSUSE Leap Micro 5.4 cups Affected
openSUSE Leap Micro 5.5 cups Affected


SUSE Timeline for this CVE

CVE page created: Tue Apr 7 19:34:01 2026
CVE page last modified: Wed Apr 8 19:49:51 2026