Upstream information

CVE-2026-14266 at MITRE

Description

7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of XZ chunked data. Crafted XZ-compressed data can trigger an overflow of a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-30169.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (ZDI) SUSE
Base Score 7 7
Vector CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local Local
Attack Complexity High High
Privileges Required None None
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3 3.1
CVSS v4 Scores
CVSS detail SUSE
Base Score 7.3
Vector CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Attack Vector Local
Attack Complexity High
Attack Requirements None
Privileges Required None
User Interaction Passive
Vulnerable System Confidentiality Impact High
Vulnerable System Integrity Impact High
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: 1273065 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • 7zip >= 26.02-1.1
Patchnames:
openSUSE-Tumbleweed-2026-11319


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 7zip Affected
SUSE Linux Enterprise Desktop 15 SP7 p7zip Affected
SUSE Linux Enterprise High Performance Computing 12 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 p7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 p7zip Affected
SUSE Linux Enterprise Server 15 SP7 7zip Affected
SUSE Linux Enterprise Server 15 SP7 p7zip Affected
SUSE Linux Enterprise Server 16.0 7zip Affected
SUSE Linux Enterprise Server 16.1 7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 p7zip Affected
SUSE Linux Enterprise Server for SAP applications 16.0 7zip Affected
SUSE Linux Enterprise Server for SAP applications 16.1 7zip Affected
openSUSE Leap 16.0 7zip Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 12 SP5 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS 7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS 7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS p7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 p7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 p7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 p7zip Affected
SUSE Linux Enterprise Server 12 SP5 p7zip Affected
SUSE Linux Enterprise Server 12 SP5-LTSS p7zip Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security p7zip Affected
SUSE Linux Enterprise Server 15 SP4 p7zip Affected
SUSE Linux Enterprise Server 15 SP4-LTSS 7zip Affected
SUSE Linux Enterprise Server 15 SP4-LTSS p7zip Affected
SUSE Linux Enterprise Server 15 SP5 p7zip Affected
SUSE Linux Enterprise Server 15 SP5-LTSS 7zip Affected
SUSE Linux Enterprise Server 15 SP5-LTSS p7zip Affected
SUSE Linux Enterprise Server 15 SP6 p7zip Affected
SUSE Linux Enterprise Server 15 SP6-LTSS 7zip Affected
SUSE Linux Enterprise Server 15 SP6-LTSS p7zip Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 p7zip Affected
SUSE Manager Proxy 4.3 p7zip Affected
SUSE Manager Proxy LTS 4.3 p7zip Affected
SUSE Manager Retail Branch Server 4.3 p7zip Affected
SUSE Manager Retail Branch Server LTS 4.3 p7zip Affected
SUSE Manager Server 4.3 p7zip Affected
SUSE Manager Server LTS 4.3 p7zip Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 p7zip Affected
SUSE CaaS Platform 4.0 p7zip Affected
SUSE Enterprise Storage 6 p7zip Affected
SUSE Enterprise Storage 7 p7zip Affected
SUSE Enterprise Storage 7.1 p7zip Affected
SUSE Linux Enterprise Desktop 12 p7zip Affected
SUSE Linux Enterprise Desktop 12 SP1 p7zip Affected
SUSE Linux Enterprise Desktop 12 SP2 p7zip Affected
SUSE Linux Enterprise Desktop 12 SP3 p7zip Affected
SUSE Linux Enterprise Desktop 12 SP4 p7zip Affected
SUSE Linux Enterprise Desktop 15 p7zip Affected
SUSE Linux Enterprise Desktop 15 SP1 p7zip Affected
SUSE Linux Enterprise Desktop 15 SP2 p7zip Affected
SUSE Linux Enterprise Desktop 15 SP3 p7zip Affected
SUSE Linux Enterprise Desktop 15 SP4 p7zip Affected
SUSE Linux Enterprise Desktop 15 SP5 p7zip Affected
SUSE Linux Enterprise Desktop 15 SP6 p7zip Affected
SUSE Linux Enterprise High Performance Computing 12 SP1 p7zip Affected
SUSE Linux Enterprise High Performance Computing 12 SP2 p7zip Affected
SUSE Linux Enterprise High Performance Computing 12 SP3 p7zip Affected
SUSE Linux Enterprise High Performance Computing 12 SP4 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS 7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS 7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 p7zip Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS p7zip Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS p7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 p7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 p7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 p7zip Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 p7zip Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT p7zip Affected
SUSE Linux Enterprise Real Time 15 SP2 p7zip Affected
SUSE Linux Enterprise Real Time 15 SP3 p7zip Affected
SUSE Linux Enterprise Real Time 15 SP4 p7zip Affected
SUSE Linux Enterprise Server 12 p7zip Affected
SUSE Linux Enterprise Server 12 SP1 p7zip Affected
SUSE Linux Enterprise Server 12 SP1-LTSS p7zip Affected
SUSE Linux Enterprise Server 12 SP2 p7zip Affected
SUSE Linux Enterprise Server 12 SP2-BCL p7zip Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS p7zip Affected
SUSE Linux Enterprise Server 12 SP2-LTSS p7zip Affected
SUSE Linux Enterprise Server 12 SP3 p7zip Affected
SUSE Linux Enterprise Server 12 SP3-BCL p7zip Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS p7zip Affected
SUSE Linux Enterprise Server 12 SP3-LTSS p7zip Affected
SUSE Linux Enterprise Server 12 SP4 p7zip Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS p7zip Affected
SUSE Linux Enterprise Server 12 SP4-LTSS p7zip Affected
SUSE Linux Enterprise Server 12-LTSS p7zip Affected
SUSE Linux Enterprise Server 15 p7zip Affected
SUSE Linux Enterprise Server 15 SP1 p7zip Affected
SUSE Linux Enterprise Server 15 SP1-BCL p7zip Affected
SUSE Linux Enterprise Server 15 SP1-LTSS p7zip Affected
SUSE Linux Enterprise Server 15 SP2 p7zip Affected
SUSE Linux Enterprise Server 15 SP2-BCL p7zip Affected
SUSE Linux Enterprise Server 15 SP2-LTSS p7zip Affected
SUSE Linux Enterprise Server 15 SP3 p7zip Affected
SUSE Linux Enterprise Server 15 SP3-BCL p7zip Affected
SUSE Linux Enterprise Server 15 SP3-LTSS p7zip Affected
SUSE Linux Enterprise Server 15-LTSS p7zip Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 p7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 7zip Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 p7zip Affected
SUSE Manager Proxy 4.0 p7zip Affected
SUSE Manager Proxy 4.1 p7zip Affected
SUSE Manager Proxy 4.2 p7zip Affected
SUSE Manager Retail Branch Server 4.0 p7zip Affected
SUSE Manager Retail Branch Server 4.1 p7zip Affected
SUSE Manager Retail Branch Server 4.2 p7zip Affected
SUSE Manager Server 4.0 p7zip Affected
SUSE Manager Server 4.1 p7zip Affected
SUSE Manager Server 4.2 p7zip Affected
SUSE OpenStack Cloud 7 p7zip Affected
SUSE OpenStack Cloud 8 p7zip Affected
SUSE OpenStack Cloud 9 p7zip Affected
SUSE OpenStack Cloud Crowbar 8 p7zip Affected
SUSE OpenStack Cloud Crowbar 9 p7zip Affected
openSUSE Leap 15.3 p7zip Affected
openSUSE Leap 15.4 p7zip Affected
openSUSE Leap 15.5 p7zip Affected
openSUSE Leap 15.6 7zip Affected
openSUSE Leap 15.6 p7zip Affected


SUSE Timeline for this CVE

CVE page created: Wed Jul 22 11:29:39 2026
CVE page last modified: Thu Jul 30 19:31:09 2026