UBUNTU-CVE-2021-38370

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Source

https://ubuntu.com/security/CVE-2021-38370

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38370.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-38370

Upstream

CVE-2021-38370

Downstream

USN-7360-1

Related

USN-7360-1

Published

2021-08-10T15:15:00Z

Modified

2025-07-16T08:26:46.121617Z

Severity

5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

In Alpine before 2.25, untagged responses from an IMAP server are accepted 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",
    "binaries": [
        {
            "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",
            "binary_version": "2.20+dfsg1-2ubuntu0.1~esm1"
        }
    ]
}

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",
    "binaries": [
        {
            "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",
            "binary_version": "2.21+dfsg1-1ubuntu0.1~esm1"
        }
    ]
}

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",
    "binaries": [
        {
            "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",
            "binary_version": "2.22+dfsg1-1ubuntu0.1~esm1"
        }
    ]
}

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",
    "binaries": [
        {
            "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",
            "binary_version": "2.25+dfsg1-1build1"
        }
    ]
}

Ubuntu:24.04:LTS / alpine

Package

Name: alpine
Purl: pkg:deb/ubuntu/alpine@2.26+dfsg-1build3?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.26+dfsg-1build3

Affected versions

2.*

2.26+dfsg-1build1

2.26+dfsg-1build2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "alpine",
            "binary_version": "2.26+dfsg-1build3"
        },
        {
            "binary_name": "alpine-dbgsym",
            "binary_version": "2.26+dfsg-1build3"
        },
        {
            "binary_name": "alpine-doc",
            "binary_version": "2.26+dfsg-1build3"
        },
        {
            "binary_name": "alpine-pico",
            "binary_version": "2.26+dfsg-1build3"
        },
        {
            "binary_name": "alpine-pico-dbgsym",
            "binary_version": "2.26+dfsg-1build3"
        },
        {
            "binary_name": "pilot",
            "binary_version": "2.26+dfsg-1build3"
        },
        {
            "binary_name": "pilot-dbgsym",
            "binary_version": "2.26+dfsg-1build3"
        }
    ]
}

Ubuntu:25.04 / alpine

Package

Name: alpine
Purl: pkg:deb/ubuntu/alpine@2.26+dfsg-2?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.26+dfsg-2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "alpine",
            "binary_version": "2.26+dfsg-2"
        },
        {
            "binary_name": "alpine-dbgsym",
            "binary_version": "2.26+dfsg-2"
        },
        {
            "binary_name": "alpine-doc",
            "binary_version": "2.26+dfsg-2"
        },
        {
            "binary_name": "alpine-pico",
            "binary_version": "2.26+dfsg-2"
        },
        {
            "binary_name": "alpine-pico-dbgsym",
            "binary_version": "2.26+dfsg-2"
        },
        {
            "binary_name": "pilot",
            "binary_version": "2.26+dfsg-2"
        },
        {
            "binary_name": "pilot-dbgsym",
            "binary_version": "2.26+dfsg-2"
        }
    ]
}