UBUNTU-CVE-2021-46853

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Source
https://ubuntu.com/security/CVE-2021-46853
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-46853.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-46853
Related
Published
2022-11-03T06:15:00Z
Modified
2025-03-20T04:33:53Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Alpine before 2.25 allows remote attackers to cause a denial of service (application crash) when LIST or LSUB is sent before STARTTLS.

References

Affected packages

Ubuntu:Pro:16.04:LTS / alpine

Package

Name
alpine
Purl
pkg:deb/ubuntu/alpine@2.20+dfsg1-2ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.20+dfsg1-2ubuntu0.1~esm1

Affected versions

2.*

2.20+dfsg1-1
2.20+dfsg1-2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1",
            "binary_name": "alpine"
        },
        {
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1",
            "binary_name": "alpine-dbg"
        },
        {
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1",
            "binary_name": "alpine-dbgsym"
        },
        {
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1",
            "binary_name": "alpine-doc"
        },
        {
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1",
            "binary_name": "alpine-pico"
        },
        {
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1",
            "binary_name": "alpine-pico-dbgsym"
        },
        {
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1",
            "binary_name": "pilot"
        },
        {
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1",
            "binary_name": "pilot-dbgsym"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / alpine

Package

Name
alpine
Purl
pkg:deb/ubuntu/alpine@2.21+dfsg1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.21+dfsg1-1ubuntu0.1~esm1

Affected versions

2.*

2.20+dfsg1-7
2.21+dfsg1-1
2.21+dfsg1-1build1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine"
        },
        {
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine-dbgsym"
        },
        {
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine-doc"
        },
        {
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine-pico"
        },
        {
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine-pico-dbgsym"
        },
        {
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "pilot"
        },
        {
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "pilot-dbgsym"
        }
    ]
}

Ubuntu:20.04:LTS / alpine

Package

Name
alpine
Purl
pkg:deb/ubuntu/alpine@2.22+dfsg1-1?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*

2.21+dfsg1-1.1build1
2.22+dfsg1-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:20.04:LTS / alpine

Package

Name
alpine
Purl
pkg:deb/ubuntu/alpine@2.22+dfsg1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.22+dfsg1-1ubuntu0.1~esm1

Affected versions

2.*

2.21+dfsg1-1.1build1
2.22+dfsg1-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine"
        },
        {
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine-dbgsym"
        },
        {
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine-doc"
        },
        {
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine-pico"
        },
        {
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "alpine-pico-dbgsym"
        },
        {
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "pilot"
        },
        {
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1",
            "binary_name": "pilot-dbgsym"
        }
    ]
}

Ubuntu:22.04:LTS / alpine

Package

Name
alpine
Purl
pkg:deb/ubuntu/alpine@2.25+dfsg1-1build1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.25+dfsg1-1build1

Affected versions

2.*

2.24+dfsg1-1build1
2.25+dfsg1-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "2.25+dfsg1-1build1",
            "binary_name": "alpine"
        },
        {
            "binary_version": "2.25+dfsg1-1build1",
            "binary_name": "alpine-dbgsym"
        },
        {
            "binary_version": "2.25+dfsg1-1build1",
            "binary_name": "alpine-doc"
        },
        {
            "binary_version": "2.25+dfsg1-1build1",
            "binary_name": "alpine-pico"
        },
        {
            "binary_version": "2.25+dfsg1-1build1",
            "binary_name": "alpine-pico-dbgsym"
        },
        {
            "binary_version": "2.25+dfsg1-1build1",
            "binary_name": "pilot"
        },
        {
            "binary_version": "2.25+dfsg1-1build1",
            "binary_name": "pilot-dbgsym"
        }
    ]
}