Upstream information

CVE-2026-7598 at MITRE

Description

A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v2 Scores
CVSS detail CNA (VulDB)
Base Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
CVSS detail CNA (VulDB) SUSE
Base Score 7.3 7.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact Low Low
Integrity Impact Low Low
Availability Impact Low Low
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
CVSS detail CNA (VulDB) SUSE
Base Score 6.9 6.9
Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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:N/VC:L/VI:L/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
Attack Vector Network Network
Attack Complexity Low Low
Attack Requirements None None
Privileges Required None None
User Interaction None None
Vulnerable System Confidentiality Impact Low Low
Vulnerable System Integrity Impact Low Low
Vulnerable System Availability Impact Low Low
Subsequent System Confidentiality Impact None None
Subsequent System Integrity Impact None None
Subsequent System Availability Impact None None
CVSSv4 Version 4.0 4.0
SUSE Bugzilla entry: 1263890 [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Please note that this evaluation state might be work in progress, incomplete or outdated.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 libssh Not affected
SUSE Linux Enterprise Desktop 15 SP7 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP7 libssh2_org Affected
SUSE Linux Enterprise Micro 5.3 libssh Not affected
SUSE Linux Enterprise Micro 5.3 libssh2_org Affected
SUSE Linux Enterprise Micro 5.4 libssh Not affected
SUSE Linux Enterprise Micro 5.4 libssh2_org Affected
SUSE Linux Enterprise Micro 5.5 libssh Not affected
SUSE Linux Enterprise Micro 5.5 libssh2_org Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 libssh Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 libssh2_org Affected
SUSE Linux Enterprise Server 15 SP7 libssh Not affected
SUSE Linux Enterprise Server 15 SP7 libssh2_org Affected
SUSE Linux Enterprise Server 16.0 libssh Not affected
SUSE Linux Enterprise Server 16.0 libssh2_org Affected
SUSE Linux Enterprise Server 16.1 libssh Not affected
SUSE Linux Enterprise Server 16.1 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 libssh2_org Affected
SUSE Linux Enterprise Server for SAP applications 16.0 libssh Not affected
SUSE Linux Enterprise Server for SAP applications 16.0 libssh2_org Affected
SUSE Linux Enterprise Server for SAP applications 16.1 libssh Not affected
SUSE Linux Enterprise Server for SAP applications 16.1 libssh2_org Affected
SUSE Linux Micro 6.0 libssh Not affected
SUSE Linux Micro 6.0 libssh2_org Affected
SUSE Linux Micro 6.1 libssh Not affected
SUSE Linux Micro 6.1 libssh2_org Affected
SUSE Linux Micro 6.2 libssh Not affected
SUSE Linux Micro 6.2 libssh2_org Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS libssh2_org Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 libssh Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 libssh2_org Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 libssh Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 libssh2_org Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 libssh Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 libssh2_org Affected
SUSE Linux Enterprise Server 12 SP5 libssh Not affected
SUSE Linux Enterprise Server 12 SP5 libssh2_org Affected
SUSE Linux Enterprise Server 12 SP5-LTSS libssh Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS libssh2_org Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security libssh Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security libssh2_org Affected
SUSE Linux Enterprise Server 15 SP4 libssh Not affected
SUSE Linux Enterprise Server 15 SP4 libssh2_org Affected
SUSE Linux Enterprise Server 15 SP4-LTSS libssh Not affected
SUSE Linux Enterprise Server 15 SP4-LTSS libssh2_org Affected
SUSE Linux Enterprise Server 15 SP5 libssh Not affected
SUSE Linux Enterprise Server 15 SP5 libssh2_org Affected
SUSE Linux Enterprise Server 15 SP5-LTSS libssh Not affected
SUSE Linux Enterprise Server 15 SP5-LTSS libssh2_org Affected
SUSE Linux Enterprise Server 15 SP6 libssh Not affected
SUSE Linux Enterprise Server 15 SP6 libssh2_org Affected
SUSE Linux Enterprise Server 15 SP6-LTSS libssh Not affected
SUSE Linux Enterprise Server 15 SP6-LTSS libssh2_org Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 libssh Not affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 libssh2_org Affected
SUSE Manager Proxy 4.3 libssh Not affected
SUSE Manager Proxy 4.3 libssh2_org Affected
SUSE Manager Proxy LTS 4.3 libssh Not affected
SUSE Manager Proxy LTS 4.3 libssh2_org Affected
SUSE Manager Retail Branch Server 4.3 libssh Not affected
SUSE Manager Retail Branch Server 4.3 libssh2_org Affected
SUSE Manager Retail Branch Server LTS 4.3 libssh Not affected
SUSE Manager Retail Branch Server LTS 4.3 libssh2_org Affected
SUSE Manager Server 4.3 libssh Not affected
SUSE Manager Server 4.3 libssh2_org Affected
SUSE Manager Server LTS 4.3 libssh Not affected
SUSE Manager Server LTS 4.3 libssh2_org Affected
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 libssh Not affected
SUSE CaaS Platform 4.0 libssh2_org Affected
SUSE Enterprise Storage 6 libssh Not affected
SUSE Enterprise Storage 6 libssh2_org Affected
SUSE Enterprise Storage 7 libssh Not affected
SUSE Enterprise Storage 7 libssh2_org Affected
SUSE Enterprise Storage 7.1 libssh Not affected
SUSE Enterprise Storage 7.1 libssh2_org Affected
SUSE Linux Enterprise Desktop 12 libssh Not affected
SUSE Linux Enterprise Desktop 12 SP1 libssh Not affected
SUSE Linux Enterprise Desktop 12 SP2 libssh Not affected
SUSE Linux Enterprise Desktop 12 SP3 libssh Not affected
SUSE Linux Enterprise Desktop 12 SP4 libssh Not affected
SUSE Linux Enterprise Desktop 15 libssh2_org Affected
SUSE Linux Enterprise Desktop 15 SP1 libssh Not affected
SUSE Linux Enterprise Desktop 15 SP1 libssh2_org Affected
SUSE Linux Enterprise Desktop 15 SP2 libssh Not affected
SUSE Linux Enterprise Desktop 15 SP2 libssh2_org Affected
SUSE Linux Enterprise Desktop 15 SP3 libssh Not affected
SUSE Linux Enterprise Desktop 15 SP3 libssh2_org Affected
SUSE Linux Enterprise Desktop 15 SP4 libssh Not affected
SUSE Linux Enterprise Desktop 15 SP4 libssh2_org Affected
SUSE Linux Enterprise Desktop 15 SP5 libssh Not affected
SUSE Linux Enterprise Desktop 15 SP5 libssh2_org Affected
SUSE Linux Enterprise Desktop 15 SP6 libssh Not affected
SUSE Linux Enterprise Desktop 15 SP6 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 libssh Not affected
SUSE Linux Enterprise High Performance Computing 15 SP6 libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS libssh2_org Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS libssh2_org Affected
SUSE Linux Enterprise Micro 5.0 libssh Not affected
SUSE Linux Enterprise Micro 5.0 libssh2_org Affected
SUSE Linux Enterprise Micro 5.1 libssh Not affected
SUSE Linux Enterprise Micro 5.1 libssh2_org Affected
SUSE Linux Enterprise Micro 5.2 libssh Not affected
SUSE Linux Enterprise Micro 5.2 libssh2_org Affected
SUSE Linux Enterprise Module for Basesystem 15 libssh2_org Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 libssh Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 libssh2_org Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 libssh Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 libssh2_org Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 libssh Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 libssh2_org Affected
SUSE Linux Enterprise Real Time 15 SP2 libssh Not affected
SUSE Linux Enterprise Real Time 15 SP2 libssh2_org Affected
SUSE Linux Enterprise Real Time 15 SP3 libssh Not affected
SUSE Linux Enterprise Real Time 15 SP3 libssh2_org Affected
SUSE Linux Enterprise Real Time 15 SP4 libssh Not affected
SUSE Linux Enterprise Real Time 15 SP4 libssh2_org Affected
SUSE Linux Enterprise Server 12 libssh Not affected
SUSE Linux Enterprise Server 12 SP1 libssh Not affected
SUSE Linux Enterprise Server 12 SP2 libssh Not affected
SUSE Linux Enterprise Server 12 SP3 libssh Not affected
SUSE Linux Enterprise Server 12 SP4 libssh Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS libssh Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS libssh2_org Affected
SUSE Linux Enterprise Server 12 SP4-LTSS libssh Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS libssh2_org Affected
SUSE Linux Enterprise Server 15 libssh2_org Affected
SUSE Linux Enterprise Server 15 SP1 libssh Not affected
SUSE Linux Enterprise Server 15 SP1 libssh2_org Affected
SUSE Linux Enterprise Server 15 SP1-BCL libssh Not affected
SUSE Linux Enterprise Server 15 SP1-BCL libssh2_org Affected
SUSE Linux Enterprise Server 15 SP1-LTSS libssh Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS libssh2_org Affected
SUSE Linux Enterprise Server 15 SP2 libssh Not affected
SUSE Linux Enterprise Server 15 SP2 libssh2_org Affected
SUSE Linux Enterprise Server 15 SP2-BCL libssh Not affected
SUSE Linux Enterprise Server 15 SP2-BCL libssh2_org Affected
SUSE Linux Enterprise Server 15 SP2-LTSS libssh Not affected
SUSE Linux Enterprise Server 15 SP2-LTSS libssh2_org Affected
SUSE Linux Enterprise Server 15 SP3 libssh Not affected
SUSE Linux Enterprise Server 15 SP3 libssh2_org Affected
SUSE Linux Enterprise Server 15 SP3-BCL libssh Not affected
SUSE Linux Enterprise Server 15 SP3-BCL libssh2_org Affected
SUSE Linux Enterprise Server 15 SP3-LTSS libssh Not affected
SUSE Linux Enterprise Server 15 SP3-LTSS libssh2_org Affected
SUSE Linux Enterprise Server 15-LTSS libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 12 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 15 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libssh2_org Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 libssh Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 libssh2_org Affected
SUSE Linux Enterprise Software Development Kit 12 libssh Not affected
SUSE Linux Enterprise Software Development Kit 12 SP1 libssh Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2 libssh Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3 libssh Not affected
SUSE Linux Enterprise Software Development Kit 12 SP4 libssh Not affected
SUSE Linux Enterprise Software Development Kit 12 SP5 libssh Not affected
SUSE Linux Enterprise Software Development Kit 12 SP5 libssh2_org Affected
SUSE Linux Enterprise Workstation Extension 12 libssh Not affected
SUSE Linux Enterprise Workstation Extension 12 SP1 libssh Not affected
SUSE Linux Enterprise Workstation Extension 12 SP2 libssh Not affected
SUSE Linux Enterprise Workstation Extension 12 SP3 libssh Not affected
SUSE Manager Proxy 4.0 libssh Not affected
SUSE Manager Proxy 4.0 libssh2_org Affected
SUSE Manager Proxy 4.1 libssh Not affected
SUSE Manager Proxy 4.1 libssh2_org Affected
SUSE Manager Proxy 4.2 libssh Not affected
SUSE Manager Proxy 4.2 libssh2_org Affected
SUSE Manager Retail Branch Server 4.0 libssh Not affected
SUSE Manager Retail Branch Server 4.0 libssh2_org Affected
SUSE Manager Retail Branch Server 4.1 libssh Not affected
SUSE Manager Retail Branch Server 4.1 libssh2_org Affected
SUSE Manager Retail Branch Server 4.2 libssh Not affected
SUSE Manager Retail Branch Server 4.2 libssh2_org Affected
SUSE Manager Server 4.0 libssh Not affected
SUSE Manager Server 4.0 libssh2_org Affected
SUSE Manager Server 4.1 libssh Not affected
SUSE Manager Server 4.1 libssh2_org Affected
SUSE Manager Server 4.2 libssh Not affected
SUSE Manager Server 4.2 libssh2_org Affected
SUSE OpenStack Cloud 9 libssh Not affected
SUSE OpenStack Cloud 9 libssh2_org Affected
SUSE OpenStack Cloud Crowbar 9 libssh Not affected
SUSE OpenStack Cloud Crowbar 9 libssh2_org Affected
openSUSE Leap 15.3 libssh Not affected
openSUSE Leap 15.3 libssh2_org Affected
openSUSE Leap 15.4 libssh Not affected
openSUSE Leap 15.4 libssh2_org Affected
openSUSE Leap 15.5 libssh Not affected
openSUSE Leap 15.5 libssh2_org Affected
openSUSE Leap 15.6 libssh Not affected
openSUSE Leap 15.6 libssh2_org Affected
openSUSE Leap Micro 5.2 libssh Not affected
openSUSE Leap Micro 5.2 libssh2_org Affected
openSUSE Leap Micro 5.3 libssh Not affected
openSUSE Leap Micro 5.3 libssh2_org Affected
openSUSE Leap Micro 5.4 libssh Not affected
openSUSE Leap Micro 5.4 libssh2_org Affected
openSUSE Leap Micro 5.5 libssh Not affected
openSUSE Leap Micro 5.5 libssh2_org Affected


SUSE Timeline for this CVE

CVE page created: Sat May 2 03:42:21 2026
CVE page last modified: Wed May 6 13:20:07 2026