UBUNTU-CVE-2021-3580

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Source
https://ubuntu.com/security/CVE-2021-3580
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3580.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-3580
Upstream
Downstream
Related
Published
2021-06-10T00:00:00Z
Modified
2025-07-18T16:46:27Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / nettle

Package

Name
nettle
Purl
pkg:deb/ubuntu/nettle@2.7.1-1ubuntu0.2?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

2.*

2.7.1-1
2.7.1-1ubuntu0.1
2.7.1-1ubuntu0.2

Ubuntu:Pro:16.04:LTS / nettle

Package

Name
nettle
Purl
pkg:deb/ubuntu/nettle@3.2-1ubuntu0.16.04.2?arch=source&distro=esm-infra/xenial

Affected ranges

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

Affected versions

3.*

3.1.1-4
3.2-1
3.2-1ubuntu0.16.04.1
3.2-1ubuntu0.16.04.2

Ubuntu:18.04:LTS / nettle

Package

Name
nettle
Purl
pkg:deb/ubuntu/nettle@3.4.1-0ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.4.1-0ubuntu0.18.04.1

Affected versions

3.*

3.3-2
3.4-1
3.4-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libhogweed4",
            "binary_version": "3.4.1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libhogweed4-dbgsym",
            "binary_version": "3.4.1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libnettle6",
            "binary_version": "3.4.1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libnettle6-dbgsym",
            "binary_version": "3.4.1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "nettle-bin",
            "binary_version": "3.4.1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "nettle-bin-dbgsym",
            "binary_version": "3.4.1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "nettle-dev",
            "binary_version": "3.4.1-0ubuntu0.18.04.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / nettle

Package

Name
nettle
Purl
pkg:deb/ubuntu/nettle@3.5.1+really3.5.1-2ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.1+really3.5.1-2ubuntu0.2

Affected versions

3.*

3.4.1-1
3.5.1+really3.5.1-2
3.5.1+really3.5.1-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libhogweed5",
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2"
        },
        {
            "binary_name": "libhogweed5-dbgsym",
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2"
        },
        {
            "binary_name": "libnettle7",
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2"
        },
        {
            "binary_name": "libnettle7-dbgsym",
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2"
        },
        {
            "binary_name": "nettle-bin",
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2"
        },
        {
            "binary_name": "nettle-bin-dbgsym",
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2"
        },
        {
            "binary_name": "nettle-dev",
            "binary_version": "3.5.1+really3.5.1-2ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}