USN-6166-2

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Source
https://ubuntu.com/security/notices/USN-6166-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6166-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-6166-2
Upstream
Related
Published
2023-06-19T11:49:36.125855Z
Modified
2025-12-05T14:58:23.948975Z
Summary
libcap2 vulnerability
Details

USN-6166-1 fixed a vulnerability in libcap2. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM.

Original advisory details:

Richard Weinberger discovered that libcap2 incorrectly handled certain long input strings. An attacker could use this issue to cause libcap2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2023-2603)

References

Affected packages

Ubuntu:Pro:14.04:LTS / libcap2

Package

Name
libcap2
Purl
pkg:deb/ubuntu/libcap2@1:2.24-0ubuntu2+esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.24-0ubuntu2+esm1

Affected versions

1:2.*

1:2.22-1.2ubuntu2
1:2.24-0ubuntu1
1:2.24-0ubuntu2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1:2.24-0ubuntu2+esm1",
            "binary_name": "libcap-dev"
        },
        {
            "binary_version": "1:2.24-0ubuntu2+esm1",
            "binary_name": "libcap2"
        },
        {
            "binary_version": "1:2.24-0ubuntu2+esm1",
            "binary_name": "libcap2-bin"
        },
        {
            "binary_version": "1:2.24-0ubuntu2+esm1",
            "binary_name": "libpam-cap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6166-2.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-2603"
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

Ubuntu:Pro:16.04:LTS / libcap2

Package

Name
libcap2
Purl
pkg:deb/ubuntu/libcap2@1:2.24-12ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.24-12ubuntu0.1~esm1

Affected versions

1:2.*

1:2.24-9
1:2.24-12

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1:2.24-12ubuntu0.1~esm1",
            "binary_name": "libcap-dev"
        },
        {
            "binary_version": "1:2.24-12ubuntu0.1~esm1",
            "binary_name": "libcap2"
        },
        {
            "binary_version": "1:2.24-12ubuntu0.1~esm1",
            "binary_name": "libcap2-bin"
        },
        {
            "binary_version": "1:2.24-12ubuntu0.1~esm1",
            "binary_name": "libpam-cap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6166-2.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-2603"
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

Ubuntu:Pro:18.04:LTS / libcap2

Package

Name
libcap2
Purl
pkg:deb/ubuntu/libcap2@1:2.25-1.2ubuntu0.1~esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:2.25-1.2ubuntu0.1~esm1

Affected versions

1:2.*

1:2.25-1.1
1:2.25-1.2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1:2.25-1.2ubuntu0.1~esm1",
            "binary_name": "libcap-dev"
        },
        {
            "binary_version": "1:2.25-1.2ubuntu0.1~esm1",
            "binary_name": "libcap2"
        },
        {
            "binary_version": "1:2.25-1.2ubuntu0.1~esm1",
            "binary_name": "libcap2-bin"
        },
        {
            "binary_version": "1:2.25-1.2ubuntu0.1~esm1",
            "binary_name": "libpam-cap"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6166-2.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2023-2603"
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}