UBUNTU-CVE-2026-0966

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Source
https://ubuntu.com/security/CVE-2026-0966
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0966.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-0966
Upstream
  • CVE-2026-0966
Published
2026-02-13T00:00:00Z
Modified
2026-02-13T18:15:33.365314Z
Severity
  • Ubuntu - low
Summary
[none]
Details

[Buffer underflow in sshgethexa() on invalid input]

References

Affected packages

Ubuntu:22.04:LTS
libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.9.6-2ubuntu0.22.04.5?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.9.6-1
0.9.6-1build1
0.9.6-2
0.9.6-2build1
0.9.6-2ubuntu0.22.04.1
0.9.6-2ubuntu0.22.04.2
0.9.6-2ubuntu0.22.04.3
0.9.6-2ubuntu0.22.04.4
0.9.6-2ubuntu0.22.04.5

Ecosystem specific 

{
    "priority_reason": "Low severity DoS issue",
    "binaries": [
        {
            "binary_version": "0.9.6-2ubuntu0.22.04.5",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.9.6-2ubuntu0.22.04.5",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.9.6-2ubuntu0.22.04.5",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.9.6-2ubuntu0.22.04.5",
            "binary_name": "libssh-gcrypt-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0966.json"
Ubuntu:24.04:LTS
libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.10.6-2ubuntu0.2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.10.5-3ubuntu1
0.10.5-3ubuntu2
0.10.6-2
0.10.6-2build1
0.10.6-2build2
0.10.6-2ubuntu0.1
0.10.6-2ubuntu0.2

Ecosystem specific 

{
    "priority_reason": "Low severity DoS issue",
    "binaries": [
        {
            "binary_version": "0.10.6-2ubuntu0.2",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.10.6-2ubuntu0.2",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.10.6-2ubuntu0.2",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.10.6-2ubuntu0.2",
            "binary_name": "libssh-gcrypt-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0966.json"
Ubuntu:25.10
libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.11.2-1ubuntu0.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.11.1-1
0.11.1-2
0.11.2-1
0.11.2-1build1
0.11.2-1ubuntu0.1

Ecosystem specific 

{
    "priority_reason": "Low severity DoS issue",
    "binaries": [
        {
            "binary_version": "0.11.2-1ubuntu0.1",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.11.2-1ubuntu0.1",
            "binary_name": "libssh-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0966.json"
Ubuntu:Pro:16.04:LTS
libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.6.3-4.3ubuntu0.6+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.6.3-3ubuntu3
0.6.3-4.1
0.6.3-4.2
0.6.3-4.2ubuntu1
0.6.3-4.3
0.6.3-4.3ubuntu0.1
0.6.3-4.3ubuntu0.2
0.6.3-4.3ubuntu0.5
0.6.3-4.3ubuntu0.6
0.6.3-4.3ubuntu0.6+esm1
0.6.3-4.3ubuntu0.6+esm2
0.6.3-4.3ubuntu0.6+esm3

Ecosystem specific 

{
    "priority_reason": "Low severity DoS issue",
    "binaries": [
        {
            "binary_version": "0.6.3-4.3ubuntu0.6+esm3",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.6+esm3",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.6+esm3",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.6+esm3",
            "binary_name": "libssh-gcrypt-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0966.json"
Ubuntu:Pro:18.04:LTS
libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.7.5-1
0.8.0~20170825.94fa1e38-1
0.8.0~20170825.94fa1e38-1build1
0.8.0~20170825.94fa1e38-1ubuntu0.1
0.8.0~20170825.94fa1e38-1ubuntu0.2
0.8.0~20170825.94fa1e38-1ubuntu0.5
0.8.0~20170825.94fa1e38-1ubuntu0.6
0.8.0~20170825.94fa1e38-1ubuntu0.7
0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3
0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4
0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5

Ecosystem specific 

{
    "priority_reason": "Low severity DoS issue",
    "binaries": [
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5",
            "binary_name": "libssh-gcrypt-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0966.json"
Ubuntu:Pro:20.04:LTS
libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.9.3-2ubuntu2.5+esm2?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.9.0-1ubuntu1
0.9.0-1ubuntu4
0.9.0-1ubuntu5
0.9.3-2ubuntu1
0.9.3-2ubuntu2
0.9.3-2ubuntu2.1
0.9.3-2ubuntu2.2
0.9.3-2ubuntu2.3
0.9.3-2ubuntu2.4
0.9.3-2ubuntu2.5
0.9.3-2ubuntu2.5+esm1
0.9.3-2ubuntu2.5+esm2

Ecosystem specific 

{
    "priority_reason": "Low severity DoS issue",
    "binaries": [
        {
            "binary_version": "0.9.3-2ubuntu2.5+esm2",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.9.3-2ubuntu2.5+esm2",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.9.3-2ubuntu2.5+esm2",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.9.3-2ubuntu2.5+esm2",
            "binary_name": "libssh-gcrypt-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0966.json"