UBUNTU-CVE-2025-8114

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Source
https://ubuntu.com/security/CVE-2025-8114
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8114.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-8114
Upstream
Published
2025-07-24T15:15:00Z
Modified
2025-10-10T15:24:53Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

A flaw was found in libssh, a library that implements the SSH protocol. When calculating the session ID during the key exchange (KEX) process, an allocation failure in cryptographic functions may lead to a NULL pointer dereference. This issue can cause the client or server to crash.

References

Affected packages

Ubuntu:22.04:LTS

libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.9.6-2ubuntu0.22.04.4?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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.6-2ubuntu0.22.04.4",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.9.6-2ubuntu0.22.04.4",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.9.6-2ubuntu0.22.04.4",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.9.6-2ubuntu0.22.04.4",
            "binary_name": "libssh-gcrypt-dev"
        }
    ],
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:24.04:LTS

libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.10.6-2ubuntu0.1?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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.10.6-2ubuntu0.1",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.10.6-2ubuntu0.1",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.10.6-2ubuntu0.1",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.10.6-2ubuntu0.1",
            "binary_name": "libssh-gcrypt-dev"
        }
    ],
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:25.04

libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.11.1-1ubuntu0.1?arch=source&distro=plucky

Affected ranges

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

Affected versions

0.*

0.10.6-3ubuntu1
0.11.1-1
0.11.1-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.11.1-1ubuntu0.1",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.11.1-1ubuntu0.1",
            "binary_name": "libssh-dev"
        }
    ],
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:25.10

libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.11.2-1build1?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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.11.2-1build1",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.11.2-1build1",
            "binary_name": "libssh-dev"
        }
    ],
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:Pro:16.04:LTS

libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.6.3-4.3ubuntu0.6+esm2?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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.3-4.3ubuntu0.6+esm2",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.6+esm2",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.6+esm2",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.6.3-4.3ubuntu0.6+esm2",
            "binary_name": "libssh-gcrypt-dev"
        }
    ],
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:Pro:18.04:LTS

libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4?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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.8.0~20170825.94fa1e38-1ubuntu0.7+esm4",
            "binary_name": "libssh-gcrypt-dev"
        }
    ],
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:Pro:20.04:LTS

libssh

Package

Name
libssh
Purl
pkg:deb/ubuntu/libssh@0.9.3-2ubuntu2.5+esm1?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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.9.3-2ubuntu2.5+esm1",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.9.3-2ubuntu2.5+esm1",
            "binary_name": "libssh-dev"
        },
        {
            "binary_version": "0.9.3-2ubuntu2.5+esm1",
            "binary_name": "libssh-gcrypt-4"
        },
        {
            "binary_version": "0.9.3-2ubuntu2.5+esm1",
            "binary_name": "libssh-gcrypt-dev"
        }
    ],
    "priority_reason": "Only a denial of service if allocation failure occurs"
}