CVE-2026-0965: Libssh: libssh: denial of service via improper configuration file handling

Published Feb 4, 2026
·
Updated

A flaw was found in libssh where it can attempt to open arbitrary files during configuration parsing. A local attacker can exploit this by providing a malicious configuration file or when the system is misconfigured. This vulnerability could lead to a Denial of Service (DoS) by causing the system to try and access dangerous files, such as block devices or large system files, which can disrupt normal operations.

Affected Software

7 affected componentsFixes available
libssh libssh
Microsoft azl3 libssh 0.10.6-5
Microsoft azl3 libssh 0.10.6-6
libssh libssh<=0.11.3
redhat Enterprise Linux=9.0
redhat Enterprise Linux=10.0
Microsoft cbl2 libssh 0.10.6-5

Event History

Feb 4, 2026
Data Sourced
via Red Hat·11:43 PM
DescriptionSeverityAffected Software
Mar 26, 2026
CVE Published
via MITRE·08:06 PM
Data Sourced
via MITRE·08:06 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software
Mar 31, 2026
Data Sourced
via Microsoft·08:01 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:01 AM
Affected Software
Updated
via Microsoft·08:01 AM
DescriptionSeverity
Updated
via Microsoft·08:01 AM
SeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-0965?

CVE-2026-0965 is classified as a denial of service vulnerability due to improper configuration file handling in libssh.

2

How do I fix CVE-2026-0965?

To mitigate CVE-2026-0965, ensure that your libssh configuration files are secure and do not include arbitrary file references.

3

Who is affected by CVE-2026-0965?

CVE-2026-0965 affects users of libssh who utilize improper configuration files.

4

What causes CVE-2026-0965?

CVE-2026-0965 is caused by libssh's improper handling of configuration files that can lead to attempts at opening arbitrary files.

5

Can CVE-2026-0965 be exploited remotely?

CVE-2026-0965 primarily requires local access for exploitation, so remote exploitation is unlikely without local privileges.

Contact

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