USN-4747-1

Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:16.04:LTS / screen

Package

Name: screen
Purl: pkg:deb/ubuntu/screen@4.3.1-2ubuntu0.1?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.3.1-2ubuntu0.1

Affected versions

4.*

4.3.1-2

4.3.1-2build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.3.1-2ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / screen

Package

Name: screen
Purl: pkg:deb/ubuntu/screen@4.6.2-1ubuntu1.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.6.2-1ubuntu1.1

Affected versions

4.*

4.6.1-1

4.6.2-1

4.6.2-1ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.6.2-1ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / screen

Package

Name: screen
Purl: pkg:deb/ubuntu/screen@4.8.0-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.8.0-1ubuntu0.1

Affected versions

4.*

4.6.2-3build1

4.7.0-1

4.8.0-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "screen",
            "binary_version": "4.8.0-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}