UBUNTU-CVE-2021-39272

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Source
https://ubuntu.com/security/CVE-2021-39272
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-39272.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-39272
Upstream
Published
2021-08-30T06:15:00Z
Modified
2025-09-08T16:47:18Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH.

References

Affected packages

Ubuntu:Pro:16.04:LTS / fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail@6.3.26-2?arch=source&distro=esm-infra/xenial

Affected ranges

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

Affected versions

6.*

6.3.26-1
6.3.26-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "fetchmail",
            "binary_version": "6.3.26-2"
        },
        {
            "binary_name": "fetchmailconf",
            "binary_version": "6.3.26-2"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail@6.3.26-3ubuntu0.1~18.04.1?arch=source&distro=esm-infra/bionic

Affected ranges

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

Affected versions

6.*

6.3.26-3
6.3.26-3build1
6.3.26-3ubuntu0.1~18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "fetchmail",
            "binary_version": "6.3.26-3ubuntu0.1~18.04.1"
        },
        {
            "binary_name": "fetchmailconf",
            "binary_version": "6.3.26-3ubuntu0.1~18.04.1"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail@6.4.2-2?arch=source&distro=esm-infra/focal

Affected ranges

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

Affected versions

6.*

6.4.0~rc4-1ubuntu1
6.4.1-1ubuntu1
6.4.2-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "fetchmail",
            "binary_version": "6.4.2-2"
        }
    ]
}

Ubuntu:22.04:LTS / fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail@6.4.27-1?arch=source&distro=jammy

Affected ranges

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

Affected versions

6.*

6.4.22-1
6.4.23-1
6.4.24-1
6.4.25-1
6.4.26-1
6.4.27-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "fetchmail",
            "binary_version": "6.4.27-1"
        }
    ]
}