UBUNTU-CVE-2025-61962

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Source
https://ubuntu.com/security/CVE-2025-61962
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61962.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-61962
Upstream
Downstream
Related
Published
2025-10-04T03:15:00Z
Modified
2026-05-20T16:23:39Z
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
  • Ubuntu - medium
Summary
[none]
Details

In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.

References

Affected packages

Ubuntu:16.04:LTS
fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61962.json"
Ubuntu:18.04:LTS
fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61962.json"
Ubuntu:20.04:LTS
fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61962.json"
Ubuntu:22.04:LTS
fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.4.27-1ubuntu0.1

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 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "fetchmail",
            "binary_version": "6.4.27-1ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61962.json"
Ubuntu:24.04:LTS
fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.4.38-1ubuntu4.1

Affected versions

6.*
6.4.37-1
6.4.38-1ubuntu1
6.4.38-1ubuntu3
6.4.38-1ubuntu4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "fetchmail",
            "binary_version": "6.4.38-1ubuntu4.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61962.json"
Ubuntu:25.10
fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.5.4-0ubuntu2

Affected versions

6.*
6.4.39-1
6.5.4-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "fetchmail",
            "binary_version": "6.5.4-0ubuntu2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61962.json"
Ubuntu:26.04:LTS
fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6.5.4-0ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "fetchmail",
            "binary_version": "6.5.4-0ubuntu2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-61962.json"