MSRC_CVE-2026-0965
Vulnerability from csaf_microsoft - Published: 2026-03-02 00:00 - Updated: 2026-04-02 01:39Summary
Libssh: libssh: denial of service via improper configuration file handling
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
CWE-73
- External Control of File Name or Path
None Available
There is no fix available for this vulnerability as of now
None Available
There is no fix available for this vulnerability as of now
Vendor Fix
0.10.6-6:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade
https://learn.microsoft.com/en-us/azure/azure-lin…
References
| URL | Category | |
|---|---|---|
{
"document": {
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"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
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{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
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],
"publisher": {
"category": "vendor",
"contact_details": "secure@microsoft.com",
"name": "Microsoft Security Response Center",
"namespace": "https://msrc.microsoft.com"
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"references": [
{
"category": "self",
"summary": "CVE-2026-0965 Libssh: libssh: denial of service via improper configuration file handling - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-0965.json"
},
{
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"summary": "Microsoft Support Lifecycle",
"url": "https://support.microsoft.com/lifecycle"
},
{
"category": "external",
"summary": "Common Vulnerability Scoring System",
"url": "https://www.first.org/cvss"
}
],
"title": "Libssh: libssh: denial of service via improper configuration file handling",
"tracking": {
"current_release_date": "2026-04-02T01:39:17.000Z",
"generator": {
"date": "2026-04-02T07:12:24.030Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
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},
"id": "msrc_CVE-2026-0965",
"initial_release_date": "2026-03-02T00:00:00.000Z",
"revision_history": [
{
"date": "2026-03-31T01:01:22.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
},
{
"date": "2026-03-31T15:02:36.000Z",
"legacy_version": "2",
"number": "2",
"summary": "Information published."
},
{
"date": "2026-04-01T01:57:14.000Z",
"legacy_version": "3",
"number": "3",
"summary": "Information published."
},
{
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],
"status": "final",
"version": "4"
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},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "2.0",
"product": {
"name": "CBL Mariner 2.0",
"product_id": "17086"
}
},
{
"category": "product_version",
"name": "3.0",
"product": {
"name": "Azure Linux 3.0",
"product_id": "17084"
}
}
],
"category": "product_name",
"name": "Azure Linux"
},
{
"branches": [
{
"category": "product_version_range",
"name": "cbl2 libssh 0.10.6-5",
"product": {
"name": "cbl2 libssh 0.10.6-5",
"product_id": "3"
}
},
{
"category": "product_version_range",
"name": "\u003cazl3 libssh 0.10.6-5",
"product": {
"name": "\u003cazl3 libssh 0.10.6-5",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "azl3 libssh 0.10.6-5",
"product": {
"name": "azl3 libssh 0.10.6-5",
"product_id": "20746"
}
},
{
"category": "product_version_range",
"name": "azl3 libssh 0.10.6-6",
"product": {
"name": "azl3 libssh 0.10.6-6",
"product_id": "1"
}
}
],
"category": "product_name",
"name": "libssh"
}
],
"category": "vendor",
"name": "Microsoft"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "cbl2 libssh 0.10.6-5 as a component of CBL Mariner 2.0",
"product_id": "17086-3"
},
"product_reference": "3",
"relates_to_product_reference": "17086"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "\u003cazl3 libssh 0.10.6-5 as a component of Azure Linux 3.0",
"product_id": "17084-2"
},
"product_reference": "2",
"relates_to_product_reference": "17084"
},
{
"category": "default_component_of",
"full_product_name": {
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},
{
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"product_id": "17084-1"
},
"product_reference": "1",
"relates_to_product_reference": "17084"
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]
},
"vulnerabilities": [
{
"cve": "CVE-2026-0965",
"cwe": {
"id": "CWE-73",
"name": "External Control of File Name or Path"
},
"notes": [
{
"category": "general",
"text": "redhat",
"title": "Assigning CNA"
}
],
"product_status": {
"fixed": [
"20746-17084"
],
"known_affected": [
"17086-3",
"17084-2",
"17084-1"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2026-0965 Libssh: libssh: denial of service via improper configuration file handling - VEX",
"url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-0965.json"
}
],
"remediations": [
{
"category": "none_available",
"date": "2026-03-31T01:01:22.000Z",
"details": "There is no fix available for this vulnerability as of now",
"product_ids": [
"17086-3"
]
},
{
"category": "none_available",
"date": "2026-03-31T01:01:22.000Z",
"details": "There is no fix available for this vulnerability as of now",
"product_ids": [
"17084-1"
]
},
{
"category": "vendor_fix",
"date": "2026-03-31T01:01:22.000Z",
"details": "0.10.6-6:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
"product_ids": [
"17084-2"
],
"url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "LOW",
"baseScore": 3.3,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"environmentalsScore": 0.0,
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 3.3,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"products": [
"17086-3",
"17084-2",
"17084-1"
]
}
],
"title": "Libssh: libssh: denial of service via improper configuration file handling"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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