USN-4455-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-4455-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4455-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4455-1
Upstream
Related
Published
2020-08-10T17:28:58.822165Z
Modified
2025-10-13T04:35:12Z
Summary
nss vulnerabilities
Details

It was discovered that NSS incorrectly handled certain signatures. An attacker could possibly use this issue to expose sensitive information. (CVE-2020-12400, CVE-2020-12401, CVE-2020-6829)

References

Affected packages

Ubuntu:Pro:14.04:LTS / nss

Package

Name
nss
Purl
pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.14.04.5+esm7?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.28.4-0ubuntu0.14.04.5+esm7

Affected versions

2:3.*

2:3.15.1-1ubuntu1
2:3.15.2-1
2:3.15.3-1
2:3.15.3.1-1
2:3.15.3.1-1.1
2:3.15.3.1-1.1ubuntu1
2:3.15.4-1ubuntu3
2:3.15.4-1ubuntu4
2:3.15.4-1ubuntu5
2:3.15.4-1ubuntu6
2:3.15.4-1ubuntu7
2:3.15.4-1ubuntu7.1
2:3.17-0ubuntu0.14.04.1
2:3.17.1-0ubuntu0.14.04.1
2:3.17.1-0ubuntu0.14.04.2
2:3.17.4-0ubuntu0.14.04.1
2:3.19.2-0ubuntu0.14.04.1
2:3.19.2.1-0ubuntu0.14.04.1
2:3.19.2.1-0ubuntu0.14.04.2
2:3.21-0ubuntu0.14.04.1
2:3.21-0ubuntu0.14.04.2
2:3.23-0ubuntu0.14.04.1
2:3.26.2-0ubuntu0.14.04.3
2:3.28.4-0ubuntu0.14.04.1
2:3.28.4-0ubuntu0.14.04.2
2:3.28.4-0ubuntu0.14.04.3
2:3.28.4-0ubuntu0.14.04.4
2:3.28.4-0ubuntu0.14.04.5
2:3.28.4-0ubuntu0.14.04.5+esm1
2:3.28.4-0ubuntu0.14.04.5+esm2
2:3.28.4-0ubuntu0.14.04.5+esm3
2:3.28.4-0ubuntu0.14.04.5+esm4
2:3.28.4-0ubuntu0.14.04.5+esm5
2:3.28.4-0ubuntu0.14.04.5+esm6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss3",
            "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm7"
        },
        {
            "binary_name": "libnss3-1d",
            "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm7"
        },
        {
            "binary_name": "libnss3-dev",
            "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm7"
        },
        {
            "binary_name": "libnss3-nssdb",
            "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm7"
        },
        {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm7"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-6829"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12400"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12401"
        }
    ]
}

Ubuntu:16.04:LTS / nss

Package

Name
nss
Purl
pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.16.04.13?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.28.4-0ubuntu0.16.04.13

Affected versions

2:3.*

2:3.19.2-1ubuntu1
2:3.19.2.1-0ubuntu1
2:3.21-1ubuntu2
2:3.21-1ubuntu3
2:3.21-1ubuntu4
2:3.23-0ubuntu0.16.04.1
2:3.26.2-0ubuntu0.16.04.2
2:3.28.4-0ubuntu0.16.04.1
2:3.28.4-0ubuntu0.16.04.2
2:3.28.4-0ubuntu0.16.04.3
2:3.28.4-0ubuntu0.16.04.4
2:3.28.4-0ubuntu0.16.04.5
2:3.28.4-0ubuntu0.16.04.6
2:3.28.4-0ubuntu0.16.04.8
2:3.28.4-0ubuntu0.16.04.9
2:3.28.4-0ubuntu0.16.04.10
2:3.28.4-0ubuntu0.16.04.11
2:3.28.4-0ubuntu0.16.04.12

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss3",
            "binary_version": "2:3.28.4-0ubuntu0.16.04.13"
        },
        {
            "binary_name": "libnss3-1d",
            "binary_version": "2:3.28.4-0ubuntu0.16.04.13"
        },
        {
            "binary_name": "libnss3-dev",
            "binary_version": "2:3.28.4-0ubuntu0.16.04.13"
        },
        {
            "binary_name": "libnss3-nssdb",
            "binary_version": "2:3.28.4-0ubuntu0.16.04.13"
        },
        {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.28.4-0ubuntu0.16.04.13"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-6829"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12400"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12401"
        }
    ]
}

Ubuntu:18.04:LTS / nss

Package

Name
nss
Purl
pkg:deb/ubuntu/nss@2:3.35-2ubuntu2.11?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.35-2ubuntu2.11

Affected versions

2:3.*

2:3.32-1ubuntu3
2:3.34-1ubuntu1
2:3.35-2ubuntu2
2:3.35-2ubuntu2.1
2:3.35-2ubuntu2.2
2:3.35-2ubuntu2.3
2:3.35-2ubuntu2.5
2:3.35-2ubuntu2.6
2:3.35-2ubuntu2.7
2:3.35-2ubuntu2.8
2:3.35-2ubuntu2.9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss3",
            "binary_version": "2:3.35-2ubuntu2.11"
        },
        {
            "binary_name": "libnss3-dev",
            "binary_version": "2:3.35-2ubuntu2.11"
        },
        {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.35-2ubuntu2.11"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-6829"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12400"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12401"
        }
    ]
}

Ubuntu:20.04:LTS / nss

Package

Name
nss
Purl
pkg:deb/ubuntu/nss@2:3.49.1-1ubuntu1.4?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:3.49.1-1ubuntu1.4

Affected versions

2:3.*

2:3.45-1ubuntu2
2:3.47-1ubuntu1
2:3.47-1ubuntu2
2:3.48-1ubuntu1
2:3.49.1-1ubuntu1
2:3.49.1-1ubuntu1.1
2:3.49.1-1ubuntu1.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss3",
            "binary_version": "2:3.49.1-1ubuntu1.4"
        },
        {
            "binary_name": "libnss3-dev",
            "binary_version": "2:3.49.1-1ubuntu1.4"
        },
        {
            "binary_name": "libnss3-tools",
            "binary_version": "2:3.49.1-1ubuntu1.4"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-6829"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12400"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-12401"
        }
    ]
}