Upstream information

CVE-2026-55995 at MITRE

Description

A Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS.






This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail SUSE
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
CVSS v4 Scores
CVSS detail CNA (SUSE) SUSE
Base Score 8.7 9.5
Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Attack Vector Network Network
Attack Complexity Low High
Attack Requirements None None
Privileges Required None None
User Interaction None None
Vulnerable System Confidentiality Impact None High
Vulnerable System Integrity Impact None High
Vulnerable System Availability Impact High High
Subsequent System Confidentiality Impact None High
Subsequent System Integrity Impact None High
Subsequent System Availability Impact None High
CVSSv4 Version 4.0 4.0
SUSE Bugzilla entry: 1268685 [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Please note that this evaluation state might be work in progress, incomplete or outdated.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 High Performance Computing 15 SP7 open-isns Affected
SUSE Linux Enterprise Module for Server Applications 15 SP7 open-isns Affected
SUSE Linux Enterprise Server 15 SP7 open-isns Affected
SUSE Linux Enterprise Server 16.0 open-isns Affected
SUSE Linux Enterprise Server 16.1 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 open-isns Affected
SUSE Linux Enterprise Server for SAP applications 16.0 open-isns Affected
SUSE Linux Enterprise Server for SAP applications 16.1 open-isns Affected
SUSE Linux Micro 6.0 open-isns Affected
SUSE Linux Micro 6.1 open-isns Affected
SUSE Linux Micro 6.2 open-isns Affected
openSUSE Leap 16.0 open-isns Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 12 SP5 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP4 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS open-isns Affected
SUSE Linux Enterprise Module for Server Applications 15 SP4 open-isns Affected
SUSE Linux Enterprise Module for Server Applications 15 SP5 open-isns Affected
SUSE Linux Enterprise Module for Server Applications 15 SP6 open-isns Affected
SUSE Linux Enterprise Server 12 SP5 open-isns Affected
SUSE Linux Enterprise Server 12 SP5-LTSS open-isns Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security open-isns Affected
SUSE Linux Enterprise Server 15 SP4 open-isns Affected
SUSE Linux Enterprise Server 15 SP4-LTSS open-isns Affected
SUSE Linux Enterprise Server 15 SP5 open-isns Affected
SUSE Linux Enterprise Server 15 SP5-LTSS open-isns Affected
SUSE Linux Enterprise Server 15 SP6 open-isns Affected
SUSE Linux Enterprise Server 15 SP6-LTSS open-isns Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 open-isns Affected
SUSE Manager Proxy 4.3 open-isns Affected
SUSE Manager Proxy LTS 4.3 open-isns Affected
SUSE Manager Retail Branch Server 4.3 open-isns Affected
SUSE Manager Retail Branch Server LTS 4.3 open-isns Affected
SUSE Manager Server 4.3 open-isns Affected
SUSE Manager Server LTS 4.3 open-isns Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 open-isns Affected
SUSE CaaS Platform 4.0 open-isns Affected
SUSE Enterprise Storage 6 open-isns Affected
SUSE Enterprise Storage 7 open-isns Affected
SUSE Enterprise Storage 7.1 open-isns Affected
SUSE Linux Enterprise High Performance Computing 12 SP3 open-isns Affected
SUSE Linux Enterprise High Performance Computing 12 SP4 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 open-isns Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS open-isns Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS open-isns Affected
SUSE Linux Enterprise Module for Server Applications 15 open-isns Affected
SUSE Linux Enterprise Module for Server Applications 15 SP1 open-isns Affected
SUSE Linux Enterprise Module for Server Applications 15 SP2 open-isns Affected
SUSE Linux Enterprise Module for Server Applications 15 SP3 open-isns Affected
SUSE Linux Enterprise Real Time 15 SP2 open-isns Affected
SUSE Linux Enterprise Real Time 15 SP3 open-isns Affected
SUSE Linux Enterprise Real Time 15 SP4 open-isns Affected
SUSE Linux Enterprise Server 12 SP3 open-isns Affected
SUSE Linux Enterprise Server 12 SP3-BCL open-isns Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS open-isns Affected
SUSE Linux Enterprise Server 12 SP3-LTSS open-isns Affected
SUSE Linux Enterprise Server 12 SP4 open-isns Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS open-isns Affected
SUSE Linux Enterprise Server 12 SP4-LTSS open-isns Affected
SUSE Linux Enterprise Server 15 open-isns Affected
SUSE Linux Enterprise Server 15 SP1 open-isns Affected
SUSE Linux Enterprise Server 15 SP1-BCL open-isns Affected
SUSE Linux Enterprise Server 15 SP1-LTSS open-isns Affected
SUSE Linux Enterprise Server 15 SP2 open-isns Affected
SUSE Linux Enterprise Server 15 SP2-BCL open-isns Affected
SUSE Linux Enterprise Server 15 SP2-LTSS open-isns Affected
SUSE Linux Enterprise Server 15 SP3 open-isns Affected
SUSE Linux Enterprise Server 15 SP3-BCL open-isns Affected
SUSE Linux Enterprise Server 15 SP3-LTSS open-isns Affected
SUSE Linux Enterprise Server 15-LTSS open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 15 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 open-isns Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 open-isns Affected
SUSE Manager Proxy 4.0 open-isns Affected
SUSE Manager Proxy 4.1 open-isns Affected
SUSE Manager Proxy 4.2 open-isns Affected
SUSE Manager Retail Branch Server 4.0 open-isns Affected
SUSE Manager Retail Branch Server 4.1 open-isns Affected
SUSE Manager Retail Branch Server 4.2 open-isns Affected
SUSE Manager Server 4.0 open-isns Affected
SUSE Manager Server 4.1 open-isns Affected
SUSE Manager Server 4.2 open-isns Affected
SUSE OpenStack Cloud 8 open-isns Affected
SUSE OpenStack Cloud 9 open-isns Affected
SUSE OpenStack Cloud Crowbar 8 open-isns Affected
SUSE OpenStack Cloud Crowbar 9 open-isns Affected
openSUSE Leap 15.3 open-isns Affected
openSUSE Leap 15.4 open-isns Affected
openSUSE Leap 15.5 open-isns Affected
openSUSE Leap 15.6 open-isns Affected
Products at an unknown state of their lifecycle.
SLES-CHOST-BYOS-Aliyun open-isns Affected
SLES-CHOST-BYOS-Azure open-isns Affected
SLES-CHOST-BYOS-EC2 open-isns Affected
SLES-CHOST-BYOS-GCE open-isns Affected
SLES-CHOST-BYOS-GDC open-isns Affected
SLES-CHOST-BYOS-SAP-CCloud open-isns Affected


SUSE Timeline for this CVE

CVE page created: Wed Jul 29 12:04:52 2026
CVE page last modified: Wed Jul 29 21:53:09 2026