UBUNTU-CVE-2020-25708

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Source

https://ubuntu.com/security/CVE-2020-25708

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25708.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-25708

Related

Published

2020-11-13T00:00:00Z

Modified

2025-06-03T17:34:35Z

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

Summary

[none]

Details

A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / tightvnc

Package

Name: tightvnc
Purl: pkg:deb/ubuntu/tightvnc@1.3.9-6.5+deb8u1build0.14.04.1~esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.3.9-6.4

1.3.9-6.4ubuntu1

1.3.9-6.5+deb8u1build0.14.04.1~esm1

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:14.04:LTS / x11vnc

Package

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

{
    "ubuntu_priority": "medium"
}

Ubuntu:16.04:LTS / libvncserver

Package

Name: libvncserver
Purl: pkg:deb/ubuntu/libvncserver@0.9.10+dfsg-3ubuntu0.16.04.6?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.10+dfsg-3ubuntu0.16.04.6

Affected versions

0.*

0.9.10+dfsg-3

0.9.10+dfsg-3build1

0.9.10+dfsg-3ubuntu0.16.04.1

0.9.10+dfsg-3ubuntu0.16.04.2

0.9.10+dfsg-3ubuntu0.16.04.3

0.9.10+dfsg-3ubuntu0.16.04.4

0.9.10+dfsg-3ubuntu0.16.04.5

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libvncclient1",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncclient1-dbg",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncclient1-dbgsym",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncserver-config",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncserver-config-dbgsym",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncserver-dev",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncserver-dev-dbgsym",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncserver1",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncserver1-dbg",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        },
        {
            "binary_name": "libvncserver1-dbgsym",
            "binary_version": "0.9.10+dfsg-3ubuntu0.16.04.6"
        }
    ]
}

Ubuntu:16.04:LTS / vino

Package

Name: vino
Purl: pkg:deb/ubuntu/vino@3.8.1-0ubuntu9.4?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.8.1-0ubuntu9.4

Affected versions

3.*

3.8.1-0ubuntu6

3.8.1-0ubuntu7

3.8.1-0ubuntu8

3.8.1-0ubuntu9

3.8.1-0ubuntu9.1

3.8.1-0ubuntu9.2

3.8.1-0ubuntu9.3

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "vino",
            "binary_version": "3.8.1-0ubuntu9.4"
        },
        {
            "binary_name": "vino-dbgsym",
            "binary_version": "3.8.1-0ubuntu9.4"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / italc

Package

Name: italc
Purl: pkg:deb/ubuntu/italc@1:2.0.2+dfsg1-4ubuntu0.1?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:2.*

1:2.0.2+dfsg1-3

1:2.0.2+dfsg1-4

1:2.0.2+dfsg1-4ubuntu0.1

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / tightvnc

Package

Name: tightvnc
Purl: pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu3?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.3.10-0ubuntu2

1.3.10-0ubuntu3

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / x11vnc

Package

Name: x11vnc
Purl: pkg:deb/ubuntu/x11vnc@0.9.13-1.2ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.13-1.2ubuntu0.1~esm1

Affected versions

0.*

0.9.13-1.2build1

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "x11vnc",
            "binary_version": "0.9.13-1.2ubuntu0.1~esm1"
        },
        {
            "binary_name": "x11vnc-data",
            "binary_version": "0.9.13-1.2ubuntu0.1~esm1"
        },
        {
            "binary_name": "x11vnc-dbgsym",
            "binary_version": "0.9.13-1.2ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:18.04:LTS / libvncserver

Package

Name: libvncserver
Purl: pkg:deb/ubuntu/libvncserver@0.9.11+dfsg-1ubuntu1.4?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.11+dfsg-1ubuntu1.4

Affected versions

0.*

0.9.11+dfsg-1

0.9.11+dfsg-1ubuntu1

0.9.11+dfsg-1ubuntu1.1

0.9.11+dfsg-1ubuntu1.2

0.9.11+dfsg-1ubuntu1.3

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libvncclient1",
            "binary_version": "0.9.11+dfsg-1ubuntu1.4"
        },
        {
            "binary_name": "libvncclient1-dbg",
            "binary_version": "0.9.11+dfsg-1ubuntu1.4"
        },
        {
            "binary_name": "libvncserver-config",
            "binary_version": "0.9.11+dfsg-1ubuntu1.4"
        },
        {
            "binary_name": "libvncserver-dev",
            "binary_version": "0.9.11+dfsg-1ubuntu1.4"
        },
        {
            "binary_name": "libvncserver1",
            "binary_version": "0.9.11+dfsg-1ubuntu1.4"
        },
        {
            "binary_name": "libvncserver1-dbg",
            "binary_version": "0.9.11+dfsg-1ubuntu1.4"
        }
    ]
}

Ubuntu:18.04:LTS / vino

Package

Name: vino
Purl: pkg:deb/ubuntu/vino@3.22.0-3ubuntu1.2?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.22.0-3ubuntu1.2

Affected versions

3.*

3.8.1-0ubuntu12

3.22.0-2ubuntu1

3.22.0-3ubuntu1

3.22.0-3ubuntu1.1

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "vino",
            "binary_version": "3.22.0-3ubuntu1.2"
        },
        {
            "binary_name": "vino-dbgsym",
            "binary_version": "3.22.0-3ubuntu1.2"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / italc

Package

Name: italc
Purl: pkg:deb/ubuntu/italc@1:3.0.3+dfsg1-3ubuntu0.1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:3.*

1:3.0.3+dfsg1-1

1:3.0.3+dfsg1-2

1:3.0.3+dfsg1-2build1

1:3.0.3+dfsg1-2ubuntu1

1:3.0.3+dfsg1-3

1:3.0.3+dfsg1-3ubuntu0.1

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / tightvnc

Package

Name: tightvnc
Purl: pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu4?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.3.10-0ubuntu3

1.3.10-0ubuntu4

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / x11vnc

Package

Name: x11vnc
Purl: pkg:deb/ubuntu/x11vnc@0.9.13-3ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.13-3ubuntu0.1~esm1

Affected versions

0.*

0.9.13-2

0.9.13-2build1

0.9.13-3

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "x11vnc",
            "binary_version": "0.9.13-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "x11vnc-data",
            "binary_version": "0.9.13-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "x11vnc-dbgsym",
            "binary_version": "0.9.13-3ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:20.04:LTS / libvncserver

Package

Name: libvncserver
Purl: pkg:deb/ubuntu/libvncserver@0.9.12+dfsg-9ubuntu0.3?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.12+dfsg-9ubuntu0.3

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

0.9.12+dfsg-9ubuntu0.2

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libvncclient1",
            "binary_version": "0.9.12+dfsg-9ubuntu0.3"
        },
        {
            "binary_name": "libvncclient1-dbgsym",
            "binary_version": "0.9.12+dfsg-9ubuntu0.3"
        },
        {
            "binary_name": "libvncserver-dev",
            "binary_version": "0.9.12+dfsg-9ubuntu0.3"
        },
        {
            "binary_name": "libvncserver1",
            "binary_version": "0.9.12+dfsg-9ubuntu0.3"
        },
        {
            "binary_name": "libvncserver1-dbgsym",
            "binary_version": "0.9.12+dfsg-9ubuntu0.3"
        }
    ]
}

Ubuntu:20.04:LTS / vino

Package

Name: vino
Purl: pkg:deb/ubuntu/vino@3.22.0-5ubuntu2.2?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.22.0-5ubuntu2.2

Affected versions

3.*

3.22.0-5ubuntu2

3.22.0-5ubuntu2.1

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "vino",
            "binary_version": "3.22.0-5ubuntu2.2"
        },
        {
            "binary_name": "vino-dbgsym",
            "binary_version": "3.22.0-5ubuntu2.2"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / tightvnc

Package

Name: tightvnc
Purl: pkg:deb/ubuntu/tightvnc@1.3.10-0ubuntu5?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.3.10-0ubuntu5

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:20.04:LTS / veyon

Package

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

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:20.04:LTS / x11vnc

Package

Name: x11vnc
Purl: pkg:deb/ubuntu/x11vnc@0.9.16-3ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.9.16-3ubuntu0.1~esm1

Affected versions

0.*

0.9.13-6

0.9.16-3

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "x11vnc",
            "binary_version": "0.9.16-3ubuntu0.1~esm1"
        },
        {
            "binary_name": "x11vnc-dbgsym",
            "binary_version": "0.9.16-3ubuntu0.1~esm1"
        }
    ]
}

Ubuntu:22.04:LTS / tightvnc

Package

Name: tightvnc
Purl: pkg:deb/ubuntu/tightvnc@1:1.3.10-5?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:1.*

1:1.3.10-3

1:1.3.10-5

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

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

{
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / vino

Package

Name: vino
Purl: pkg:deb/ubuntu/vino@3.22.0-6ubuntu3?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.22.0-6ubuntu3

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "vino",
            "binary_version": "3.22.0-6ubuntu3"
        },
        {
            "binary_name": "vino-dbgsym",
            "binary_version": "3.22.0-6ubuntu3"
        }
    ]
}

Ubuntu:24.10 / tightvnc

Package

Name: tightvnc
Purl: pkg:deb/ubuntu/tightvnc@1:1.3.10-9?arch=source&distro=oracular

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:1.*

1:1.3.10-8

1:1.3.10-9

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.10 / veyon

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.7.5+repack1-1ubuntu5

4.7.5+repack1-1ubuntu6

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.04:LTS / tightvnc

Package

Name: tightvnc
Purl: pkg:deb/ubuntu/tightvnc@1:1.3.10-8?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:1.*

1:1.3.10-7

1:1.3.10-7build1

1:1.3.10-7build2

1:1.3.10-8

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

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

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.04:LTS / vino

Package

Name: vino
Purl: pkg:deb/ubuntu/vino@3.22.0-6ubuntu3?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.22.0-6ubuntu3

Ecosystem specific

{
    "ubuntu_priority": "medium",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "vino",
            "binary_version": "3.22.0-6ubuntu3"
        },
        {
            "binary_name": "vino-dbgsym",
            "binary_version": "3.22.0-6ubuntu3"
        }
    ]
}

Ubuntu:25.04 / tightvnc

Package

Name: tightvnc
Purl: pkg:deb/ubuntu/tightvnc@1:1.3.10-9?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1:1.*

1:1.3.10-9

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

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

{
    "ubuntu_priority": "medium"
}