UBUNTU-CVE-2021-46848

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Source
https://ubuntu.com/security/CVE-2021-46848
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46848.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-46848
Upstream
Downstream
Related
Published
2022-10-25T00:00:00Z
Modified
2025-09-08T16:47:28Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

GNU Libtasn1 before 4.19.0 has an ETYPEOK off-by-one array size check that affects asn1encodesimpleder.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libtasn1-6

Package

Name
libtasn1-6
Purl
pkg:deb/ubuntu/libtasn1-6@3.4-3ubuntu0.6?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.3-2
3.4-2
3.4-3
3.4-3ubuntu0.1
3.4-3ubuntu0.2
3.4-3ubuntu0.3
3.4-3ubuntu0.4
3.4-3ubuntu0.5
3.4-3ubuntu0.6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.4-3ubuntu0.6",
            "binary_name": "libtasn1-3-bin"
        },
        {
            "binary_version": "3.4-3ubuntu0.6",
            "binary_name": "libtasn1-3-dev"
        },
        {
            "binary_version": "3.4-3ubuntu0.6",
            "binary_name": "libtasn1-6"
        },
        {
            "binary_version": "3.4-3ubuntu0.6",
            "binary_name": "libtasn1-6-dev"
        },
        {
            "binary_version": "3.4-3ubuntu0.6",
            "binary_name": "libtasn1-bin"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / libtasn1-6

Package

Name
libtasn1-6
Purl
pkg:deb/ubuntu/libtasn1-6@4.7-3ubuntu0.16.04.3+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.7-3ubuntu0.16.04.3+esm3

Affected versions

4.*

4.5-2
4.7-2
4.7-3
4.7-3ubuntu0.16.04.1
4.7-3ubuntu0.16.04.2
4.7-3ubuntu0.16.04.3
4.7-3ubuntu0.16.04.3+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.7-3ubuntu0.16.04.3+esm3",
            "binary_name": "libtasn1-3-bin"
        },
        {
            "binary_version": "4.7-3ubuntu0.16.04.3+esm3",
            "binary_name": "libtasn1-6"
        },
        {
            "binary_version": "4.7-3ubuntu0.16.04.3+esm3",
            "binary_name": "libtasn1-6-dev"
        },
        {
            "binary_version": "4.7-3ubuntu0.16.04.3+esm3",
            "binary_name": "libtasn1-bin"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / libtasn1-6

Package

Name
libtasn1-6
Purl
pkg:deb/ubuntu/libtasn1-6@4.13-2?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.12-2.1
4.12-3
4.13-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.13-2",
            "binary_name": "libtasn1-6"
        },
        {
            "binary_version": "4.13-2",
            "binary_name": "libtasn1-6-dev"
        },
        {
            "binary_version": "4.13-2",
            "binary_name": "libtasn1-bin"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / libtasn1-6

Package

Name
libtasn1-6
Purl
pkg:deb/ubuntu/libtasn1-6@4.16.0-2ubuntu0.1?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.14-3
4.15.0-2
4.16.0-2
4.16.0-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.16.0-2ubuntu0.1",
            "binary_name": "libtasn1-6"
        },
        {
            "binary_version": "4.16.0-2ubuntu0.1",
            "binary_name": "libtasn1-6-dev"
        },
        {
            "binary_version": "4.16.0-2ubuntu0.1",
            "binary_name": "libtasn1-bin"
        }
    ]
}

Ubuntu:22.04:LTS / libtasn1-6

Package

Name
libtasn1-6
Purl
pkg:deb/ubuntu/libtasn1-6@4.18.0-4ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.16.0-2
4.16.0-2build1
4.17.0-2
4.18.0-3
4.18.0-4
4.18.0-4build1
4.18.0-4ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.18.0-4ubuntu0.1",
            "binary_name": "libtasn1-6"
        },
        {
            "binary_version": "4.18.0-4ubuntu0.1",
            "binary_name": "libtasn1-6-dev"
        },
        {
            "binary_version": "4.18.0-4ubuntu0.1",
            "binary_name": "libtasn1-bin"
        }
    ]
}