Upstream information

CVE-2026-4426 at MITRE

Description

A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to incorrect memory allocation and potential application crashes, resulting in a denial-of-service (DoS) condition.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (Red Hat) SUSE
Base Score 6.5 8.6
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction Required None
Scope Unchanged Unchanged
Confidentiality Impact None Low
Integrity Impact None Low
Availability Impact High High
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
CVSS detail SUSE
Base Score 8.3
Vector CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
Attack Vector Network
Attack Complexity High
Attack Requirements None
Privileges Required None
User Interaction None
Vulnerable System Confidentiality Impact Low
Vulnerable System Integrity Impact Low
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: 1259930 [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Please note that this evaluation state might be work in progress, incomplete or outdated.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 cmake Affected
SUSE Linux Enterprise Desktop 15 SP7 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 libarchive Affected
SUSE Linux Enterprise Micro 5.3 libarchive Affected
SUSE Linux Enterprise Micro 5.4 libarchive Affected
SUSE Linux Enterprise Micro 5.5 libarchive Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 cmake Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 libarchive Affected
SUSE Linux Enterprise Module for Development Tools 15 SP7 libarchive Affected
SUSE Linux Enterprise Server 15 SP7 cmake Affected
SUSE Linux Enterprise Server 15 SP7 libarchive Affected
SUSE Linux Enterprise Server 16.0 cmake Affected
SUSE Linux Enterprise Server 16.0 libarchive Affected
SUSE Linux Enterprise Server 16.1 cmake Affected
SUSE Linux Enterprise Server 16.1 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 libarchive Affected
SUSE Linux Enterprise Server for SAP applications 16.0 cmake Affected
SUSE Linux Enterprise Server for SAP applications 16.0 libarchive Affected
SUSE Linux Enterprise Server for SAP applications 16.1 cmake Affected
SUSE Linux Enterprise Server for SAP applications 16.1 libarchive Affected
SUSE Linux Micro 6.0 libarchive Affected
SUSE Linux Micro 6.1 libarchive Affected
SUSE Linux Micro 6.2 libarchive Affected
openSUSE Leap 15.6 cmake Affected
openSUSE Leap 15.6 cmake3 Affected
openSUSE Leap 15.6 libarchive Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS libarchive Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 cmake Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 libarchive Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 cmake Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 libarchive Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 cmake Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 libarchive Affected
SUSE Linux Enterprise Module for Development Tools 15 SP4 libarchive Affected
SUSE Linux Enterprise Module for Development Tools 15 SP5 libarchive Affected
SUSE Linux Enterprise Server 12 SP5 cmake Affected
SUSE Linux Enterprise Server 12 SP5 libarchive Affected
SUSE Linux Enterprise Server 12 SP5-LTSS cmake Affected
SUSE Linux Enterprise Server 12 SP5-LTSS libarchive Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security cmake Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security libarchive Affected
SUSE Linux Enterprise Server 15 SP4 cmake Affected
SUSE Linux Enterprise Server 15 SP4 libarchive Affected
SUSE Linux Enterprise Server 15 SP4-LTSS cmake Affected
SUSE Linux Enterprise Server 15 SP4-LTSS libarchive Affected
SUSE Linux Enterprise Server 15 SP5 cmake Affected
SUSE Linux Enterprise Server 15 SP5 libarchive Affected
SUSE Linux Enterprise Server 15 SP5-LTSS cmake Affected
SUSE Linux Enterprise Server 15 SP5-LTSS libarchive Affected
SUSE Linux Enterprise Server 15 SP6-LTSS cmake Affected
SUSE Linux Enterprise Server 15 SP6-LTSS libarchive Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 cmake Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 libarchive Affected
SUSE Manager Proxy 4.3 cmake Affected
SUSE Manager Proxy 4.3 libarchive Affected
SUSE Manager Proxy LTS 4.3 cmake Affected
SUSE Manager Proxy LTS 4.3 libarchive Affected
SUSE Manager Retail Branch Server 4.3 cmake Affected
SUSE Manager Retail Branch Server 4.3 libarchive Affected
SUSE Manager Retail Branch Server LTS 4.3 cmake Affected
SUSE Manager Retail Branch Server LTS 4.3 libarchive Affected
SUSE Manager Server 4.3 cmake Affected
SUSE Manager Server 4.3 libarchive Affected
SUSE Manager Server LTS 4.3 cmake Affected
SUSE Manager Server LTS 4.3 libarchive Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 cmake Affected
HPE Helion OpenStack 8 libarchive Affected
SUSE CaaS Platform 4.0 cmake Affected
SUSE CaaS Platform 4.0 libarchive Affected
SUSE Enterprise Storage 6 cmake Affected
SUSE Enterprise Storage 6 libarchive Affected
SUSE Enterprise Storage 7 cmake Affected
SUSE Enterprise Storage 7 libarchive Affected
SUSE Enterprise Storage 7.1 cmake Affected
SUSE Enterprise Storage 7.1 libarchive Affected
SUSE Linux Enterprise Desktop 12 libarchive Affected
SUSE Linux Enterprise Desktop 12 SP1 libarchive Affected
SUSE Linux Enterprise Desktop 12 SP2 cmake Affected
SUSE Linux Enterprise Desktop 12 SP2 libarchive Affected
SUSE Linux Enterprise Desktop 12 SP3 cmake Affected
SUSE Linux Enterprise Desktop 12 SP3 libarchive Affected
SUSE Linux Enterprise Desktop 12 SP4 cmake Affected
SUSE Linux Enterprise Desktop 12 SP4 libarchive Affected
SUSE Linux Enterprise Desktop 15 libarchive Affected
SUSE Linux Enterprise Desktop 15 SP1 cmake Affected
SUSE Linux Enterprise Desktop 15 SP1 libarchive Affected
SUSE Linux Enterprise Desktop 15 SP2 cmake Affected
SUSE Linux Enterprise Desktop 15 SP2 libarchive Affected
SUSE Linux Enterprise Desktop 15 SP3 cmake Affected
SUSE Linux Enterprise Desktop 15 SP3 libarchive Affected
SUSE Linux Enterprise Desktop 15 SP4 cmake Affected
SUSE Linux Enterprise Desktop 15 SP4 libarchive Affected
SUSE Linux Enterprise Desktop 15 SP5 cmake Affected
SUSE Linux Enterprise Desktop 15 SP5 libarchive Affected
SUSE Linux Enterprise Desktop 15 SP6 cmake Affected
SUSE Linux Enterprise Desktop 15 SP6 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 cmake Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 libarchive Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS libarchive Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS libarchive Affected
SUSE Linux Enterprise Module for Basesystem 15 libarchive Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 cmake Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 libarchive Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 cmake Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 libarchive Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 cmake Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 libarchive Affected
SUSE Linux Enterprise Module for Development Tools 15 libarchive Affected
SUSE Linux Enterprise Module for Development Tools 15 SP1 libarchive Affected
SUSE Linux Enterprise Module for Development Tools 15 SP2 libarchive Affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 libarchive Affected
SUSE Linux Enterprise Module for Development Tools 15 SP6 libarchive Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT cmake Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT libarchive Affected
SUSE Linux Enterprise Real Time 15 SP2 cmake Affected
SUSE Linux Enterprise Real Time 15 SP2 libarchive Affected
SUSE Linux Enterprise Real Time 15 SP3 cmake Affected
SUSE Linux Enterprise Real Time 15 SP3 libarchive Affected
SUSE Linux Enterprise Real Time 15 SP4 cmake Affected
SUSE Linux Enterprise Real Time 15 SP4 libarchive Affected
SUSE Linux Enterprise Server 12 libarchive Affected
SUSE Linux Enterprise Server 12 SP1 libarchive Affected
SUSE Linux Enterprise Server 12 SP1-LTSS libarchive Affected
SUSE Linux Enterprise Server 12 SP2 cmake Affected
SUSE Linux Enterprise Server 12 SP2 libarchive Affected
SUSE Linux Enterprise Server 12 SP2-BCL cmake Affected
SUSE Linux Enterprise Server 12 SP2-BCL libarchive Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS cmake Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS libarchive Affected
SUSE Linux Enterprise Server 12 SP2-LTSS cmake Affected
SUSE Linux Enterprise Server 12 SP2-LTSS libarchive Affected
SUSE Linux Enterprise Server 12 SP3 cmake Affected
SUSE Linux Enterprise Server 12 SP3 libarchive Affected
SUSE Linux Enterprise Server 12 SP3-BCL cmake Affected
SUSE Linux Enterprise Server 12 SP3-BCL libarchive Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS cmake Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS libarchive Affected
SUSE Linux Enterprise Server 12 SP3-LTSS cmake Affected
SUSE Linux Enterprise Server 12 SP3-LTSS libarchive Affected
SUSE Linux Enterprise Server 12 SP4 cmake Affected
SUSE Linux Enterprise Server 12 SP4 libarchive Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS cmake Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS libarchive Affected
SUSE Linux Enterprise Server 12 SP4-LTSS cmake Affected
SUSE Linux Enterprise Server 12 SP4-LTSS libarchive Affected
SUSE Linux Enterprise Server 12-LTSS libarchive Affected
SUSE Linux Enterprise Server 15 libarchive Affected
SUSE Linux Enterprise Server 15 SP1 cmake Affected
SUSE Linux Enterprise Server 15 SP1 libarchive Affected
SUSE Linux Enterprise Server 15 SP1-BCL cmake Affected
SUSE Linux Enterprise Server 15 SP1-BCL libarchive Affected
SUSE Linux Enterprise Server 15 SP1-LTSS cmake Affected
SUSE Linux Enterprise Server 15 SP1-LTSS libarchive Affected
SUSE Linux Enterprise Server 15 SP2 cmake Affected
SUSE Linux Enterprise Server 15 SP2 libarchive Affected
SUSE Linux Enterprise Server 15 SP2-BCL cmake Affected
SUSE Linux Enterprise Server 15 SP2-BCL libarchive Affected
SUSE Linux Enterprise Server 15 SP2-LTSS cmake Affected
SUSE Linux Enterprise Server 15 SP2-LTSS libarchive Affected
SUSE Linux Enterprise Server 15 SP3 cmake Affected
SUSE Linux Enterprise Server 15 SP3 libarchive Affected
SUSE Linux Enterprise Server 15 SP3-BCL cmake Affected
SUSE Linux Enterprise Server 15 SP3-BCL libarchive Affected
SUSE Linux Enterprise Server 15 SP3-LTSS cmake Affected
SUSE Linux Enterprise Server 15 SP3-LTSS libarchive Affected
SUSE Linux Enterprise Server 15 SP6 cmake Affected
SUSE Linux Enterprise Server 15 SP6 libarchive Affected
SUSE Linux Enterprise Server 15-LTSS libarchive Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 cmake Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 12 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 15 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libarchive Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 cmake Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 libarchive Affected
SUSE Linux Enterprise Software Development Kit 12 libarchive Affected
SUSE Linux Enterprise Software Development Kit 12 SP1 libarchive Affected
SUSE Linux Enterprise Software Development Kit 12 SP2 libarchive Affected
SUSE Linux Enterprise Software Development Kit 12 SP3 libarchive Affected
SUSE Linux Enterprise Software Development Kit 12 SP4 libarchive Affected
SUSE Linux Enterprise Software Development Kit 12 SP5 libarchive Affected
SUSE Manager Proxy 4.0 cmake Affected
SUSE Manager Proxy 4.0 libarchive Affected
SUSE Manager Proxy 4.1 cmake Affected
SUSE Manager Proxy 4.1 libarchive Affected
SUSE Manager Proxy 4.2 cmake Affected
SUSE Manager Proxy 4.2 libarchive Affected
SUSE Manager Retail Branch Server 4.0 cmake Affected
SUSE Manager Retail Branch Server 4.0 libarchive Affected
SUSE Manager Retail Branch Server 4.1 cmake Affected
SUSE Manager Retail Branch Server 4.1 libarchive Affected
SUSE Manager Retail Branch Server 4.2 cmake Affected
SUSE Manager Retail Branch Server 4.2 libarchive Affected
SUSE Manager Server 4.0 cmake Affected
SUSE Manager Server 4.0 libarchive Affected
SUSE Manager Server 4.1 cmake Affected
SUSE Manager Server 4.1 libarchive Affected
SUSE Manager Server 4.2 cmake Affected
SUSE Manager Server 4.2 libarchive Affected
SUSE OpenStack Cloud 7 cmake Affected
SUSE OpenStack Cloud 7 libarchive Affected
SUSE OpenStack Cloud 8 cmake Affected
SUSE OpenStack Cloud 8 libarchive Affected
SUSE OpenStack Cloud 9 cmake Affected
SUSE OpenStack Cloud 9 libarchive Affected
SUSE OpenStack Cloud Crowbar 8 cmake Affected
SUSE OpenStack Cloud Crowbar 8 libarchive Affected
SUSE OpenStack Cloud Crowbar 9 cmake Affected
SUSE OpenStack Cloud Crowbar 9 libarchive Affected
openSUSE Leap 15.3 cmake Affected
openSUSE Leap 15.3 cmake3 Affected
openSUSE Leap 15.3 libarchive Affected
openSUSE Leap 15.4 cmake Affected
openSUSE Leap 15.4 cmake3 Affected
openSUSE Leap 15.4 libarchive Affected
openSUSE Leap 15.5 cmake Affected
openSUSE Leap 15.5 libarchive Affected
openSUSE Leap Micro 5.3 libarchive Affected
openSUSE Leap Micro 5.4 libarchive Affected
openSUSE Leap Micro 5.5 libarchive Affected
Container Status
bci/spack:0.23
containers/lmcache-vllm-openai:0
containers/pytorch:2-nvidia
containers/pytorch:2.5.0
containers/vllm-openai:0
cmakeAffected


SUSE Timeline for this CVE

CVE page created: Thu Mar 19 18:01:37 2026
CVE page last modified: Thu Mar 19 22:45:03 2026