USN-6373-1

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Source
https://ubuntu.com/security/notices/USN-6373-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6373-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6373-1
Upstream
Related
Published
2023-09-14T18:55:29.273720Z
Modified
2025-10-13T04:36:36Z
Summary
gawk vulnerability
Details

It was discovered that gawk could be made to read out of bounds when processing certain inputs. If a user or an automated system were tricked into opening a specially crafted input, an attacker could possibly use this issue to cause a denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / gawk

Package

Name
gawk
Purl
pkg:deb/ubuntu/gawk@1:4.0.1+dfsg-2.1ubuntu2+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.0.1+dfsg-2.1ubuntu2+esm1

Affected versions

1:4.*

1:4.0.1+dfsg-2.1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:4.0.1+dfsg-2.1ubuntu2+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6373-1.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-4156",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:Pro:16.04:LTS / gawk

Package

Name
gawk
Purl
pkg:deb/ubuntu/gawk@1:4.1.3+dfsg-0.1ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.1.3+dfsg-0.1ubuntu0.1~esm1

Affected versions

1:4.*

1:4.1.1+dfsg-1
1:4.1.3+dfsg-0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:4.1.3+dfsg-0.1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6373-1.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-4156",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:Pro:18.04:LTS / gawk

Package

Name
gawk
Purl
pkg:deb/ubuntu/gawk@1:4.1.4+dfsg-1ubuntu0.1~esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:4.1.4+dfsg-1ubuntu0.1~esm1

Affected versions

1:4.*

1:4.1.4+dfsg-1
1:4.1.4+dfsg-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:4.1.4+dfsg-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6373-1.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-4156",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / gawk

Package

Name
gawk
Purl
pkg:deb/ubuntu/gawk@1:5.0.1+dfsg-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:5.0.1+dfsg-1ubuntu0.1

Affected versions

1:4.*

1:4.2.1+dfsg-1.1build1

1:5.*

1:5.0.1+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:5.0.1+dfsg-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6373-1.json"

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-4156",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:22.04:LTS / gawk

Package

Name
gawk
Purl
pkg:deb/ubuntu/gawk@1:5.1.0-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:5.1.0-1ubuntu0.1

Affected versions

1:5.*

1:5.1.0-1build1
1:5.1.0-1build2
1:5.1.0-1build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gawk",
            "binary_version": "1:5.1.0-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6373-1.json"

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-4156",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}