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

CVE-2025-8114

Downstream

USN-7849-1

Related

USN-7849-1

Published

2025-07-24T15:15:00Z

Modified

2025-11-05T05:12:10Z

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@0.9.6-2ubuntu0.22.04.5?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.6-2ubuntu0.22.04.5

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": "0.9.6-2ubuntu0.22.04.5",
            "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"
        }
    ],
    "availability": "No subscription required",
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:24.04:LTS

libssh

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.10.6-2ubuntu0.2

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": "0.10.6-2ubuntu0.2",
            "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"
        }
    ],
    "availability": "No subscription required",
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:25.04

libssh

Package

Name: libssh
Purl: pkg:deb/ubuntu/libssh@0.11.1-1ubuntu0.2?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.11.1-1ubuntu0.2

Affected versions

0.*

0.10.6-3ubuntu1

0.11.1-1

0.11.1-1ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.11.1-1ubuntu0.2",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.11.1-1ubuntu0.2",
            "binary_name": "libssh-dev"
        }
    ],
    "availability": "No subscription required",
    "priority_reason": "Only a denial of service if allocation failure occurs"
}

Ubuntu:25.10

libssh

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.11.2-1ubuntu0.1

Affected versions

0.*

0.11.1-1

0.11.1-2

0.11.2-1

0.11.2-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.11.2-1ubuntu0.1",
            "binary_name": "libssh-4"
        },
        {
            "binary_version": "0.11.2-1ubuntu0.1",
            "binary_name": "libssh-dev"
        }
    ],
    "availability": "No subscription required",
    "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+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.6.3-4.3ubuntu0.6+esm3

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+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"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "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+esm5?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.8.0~20170825.94fa1e38-1ubuntu0.7+esm5

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+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"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "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+esm2?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.3-2ubuntu2.5+esm2

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+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"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "priority_reason": "Only a denial of service if allocation failure occurs"
}