UBUNTU-CVE-2020-14396

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Source

https://ubuntu.com/security/CVE-2020-14396

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14396.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-14396

Upstream

CVE-2020-14396

Downstream

USN-4434-1

Related

USN-4434-1

Published

2020-06-17T16:15:00Z

Modified

2025-10-24T04:48:34Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.

References

Affected packages

Ubuntu:14.04:LTS

x11vnc

Package

Name: x11vnc
Purl: pkg:deb/ubuntu/x11vnc@0.9.13-1.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.13-1.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "x11vnc",
            "binary_version": "0.9.13-1.1"
        },
        {
            "binary_name": "x11vnc-data",
            "binary_version": "0.9.13-1.1"
        }
    ]
}

Ubuntu:20.04:LTS

libvncserver

Package

Name: libvncserver
Purl: pkg:deb/ubuntu/libvncserver@0.9.12+dfsg-9ubuntu0.2?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.12+dfsg-9ubuntu0.2

Affected versions

0.*

0.9.11+dfsg-1.3

0.9.12+dfsg-3ubuntu3

0.9.12+dfsg-6

0.9.12+dfsg-7

0.9.12+dfsg-8

0.9.12+dfsg-9

0.9.12+dfsg-9ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libvncclient1",
            "binary_version": "0.9.12+dfsg-9ubuntu0.2"
        },
        {
            "binary_name": "libvncserver-dev",
            "binary_version": "0.9.12+dfsg-9ubuntu0.2"
        },
        {
            "binary_name": "libvncserver1",
            "binary_version": "0.9.12+dfsg-9ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

veyon

Package

Name: veyon
Purl: pkg:deb/ubuntu/veyon@4.3.1+repack1-2build2?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.2.4+repack1-2

4.2.5+repack1-1

4.3.1+repack1-1

4.3.1+repack1-2

4.3.1+repack1-2build1

4.3.1+repack1-2build2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libveyon-core",
            "binary_version": "4.3.1+repack1-2build2"
        },
        {
            "binary_name": "veyon-configurator",
            "binary_version": "4.3.1+repack1-2build2"
        },
        {
            "binary_name": "veyon-master",
            "binary_version": "4.3.1+repack1-2build2"
        },
        {
            "binary_name": "veyon-plugins",
            "binary_version": "4.3.1+repack1-2build2"
        },
        {
            "binary_name": "veyon-service",
            "binary_version": "4.3.1+repack1-2build2"
        }
    ]
}

Ubuntu:22.04:LTS

veyon

Package

Name: veyon
Purl: pkg:deb/ubuntu/veyon@4.5.3+repack1-1build2?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.5.3+repack1-1build1

4.5.3+repack1-1build2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libveyon-core",
            "binary_version": "4.5.3+repack1-1build2"
        },
        {
            "binary_name": "veyon-configurator",
            "binary_version": "4.5.3+repack1-1build2"
        },
        {
            "binary_name": "veyon-master",
            "binary_version": "4.5.3+repack1-1build2"
        },
        {
            "binary_name": "veyon-plugins",
            "binary_version": "4.5.3+repack1-1build2"
        },
        {
            "binary_name": "veyon-service",
            "binary_version": "4.5.3+repack1-1build2"
        }
    ]
}

Ubuntu:24.04:LTS

veyon

Package

Name: veyon
Purl: pkg:deb/ubuntu/veyon@4.7.5+repack1-1ubuntu5?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.7.5+repack1-1build2

4.7.5+repack1-1ubuntu1

4.7.5+repack1-1ubuntu3

4.7.5+repack1-1ubuntu4

4.7.5+repack1-1ubuntu5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libveyon-core",
            "binary_version": "4.7.5+repack1-1ubuntu5"
        },
        {
            "binary_name": "veyon-configurator",
            "binary_version": "4.7.5+repack1-1ubuntu5"
        },
        {
            "binary_name": "veyon-master",
            "binary_version": "4.7.5+repack1-1ubuntu5"
        },
        {
            "binary_name": "veyon-plugins",
            "binary_version": "4.7.5+repack1-1ubuntu5"
        },
        {
            "binary_name": "veyon-service",
            "binary_version": "4.7.5+repack1-1ubuntu5"
        }
    ]
}

Ubuntu:25.04

veyon

Package

Name: veyon
Purl: pkg:deb/ubuntu/veyon@4.7.5+repack1-1ubuntu6?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.7.5+repack1-1ubuntu6

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libveyon-core",
            "binary_version": "4.7.5+repack1-1ubuntu6"
        },
        {
            "binary_name": "veyon-configurator",
            "binary_version": "4.7.5+repack1-1ubuntu6"
        },
        {
            "binary_name": "veyon-master",
            "binary_version": "4.7.5+repack1-1ubuntu6"
        },
        {
            "binary_name": "veyon-plugins",
            "binary_version": "4.7.5+repack1-1ubuntu6"
        },
        {
            "binary_name": "veyon-service",
            "binary_version": "4.7.5+repack1-1ubuntu6"
        }
    ]
}

Ubuntu:25.10

veyon

Package

Name: veyon
Purl: pkg:deb/ubuntu/veyon@4.9.7+repack1-1?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.7.5+repack1-1ubuntu6

4.7.5+repack1-1ubuntu7

4.9.7+repack1-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libveyon-core",
            "binary_version": "4.9.7+repack1-1"
        },
        {
            "binary_name": "veyon-configurator",
            "binary_version": "4.9.7+repack1-1"
        },
        {
            "binary_name": "veyon-master",
            "binary_version": "4.9.7+repack1-1"
        },
        {
            "binary_name": "veyon-plugins",
            "binary_version": "4.9.7+repack1-1"
        },
        {
            "binary_name": "veyon-service",
            "binary_version": "4.9.7+repack1-1"
        }
    ]
}