USN-7838-1

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Source
https://ubuntu.com/security/notices/USN-7838-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7838-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7838-1
Upstream
Related
Published
2025-10-23T16:39:33Z
Modified
2026-04-27T18:24:18.767129Z
Summary
fetchmail vulnerability
Details

It was discovered that the fetchmail SMTP client incorrectly handled certain status code messages. An attacker controlling a malicious server could possibly use this issue to cause fetchmail to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:22.04:LTS / fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail@6.4.27-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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 

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7838-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-61962"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

Ubuntu:24.04:LTS / fetchmail

Package

Name
fetchmail
Purl
pkg:deb/ubuntu/fetchmail@6.4.38-1ubuntu4.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown 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 

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7838-1.json"
cves_map 
{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-61962"
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}