In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-32416 In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.
Ubuntu USN Ubuntu USN USN-7838-1 fetchmail vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 04 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Mon, 06 Oct 2025 22:45:00 +0000

Type Values Removed Values Added
Title fetchmail: Fetchmail denial of service
References
Metrics threat_severity

None

threat_severity

Moderate


Mon, 06 Oct 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 06 Oct 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Fetchmail
Fetchmail fetchmail
Vendors & Products Fetchmail
Fetchmail fetchmail

Sat, 04 Oct 2025 03:15:00 +0000

Type Values Removed Values Added
Description In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.
Weaknesses CWE-142
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T21:14:11.806Z

Reserved: 2025-10-04T00:00:00.000Z

Link: CVE-2025-61962

cve-icon Vulnrichment

Updated: 2025-11-04T21:14:11.806Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-04T03:15:37.870

Modified: 2025-11-04T22:16:37.450

Link: CVE-2025-61962

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-10-04T00:00:00Z

Links: CVE-2025-61962 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-10-06T14:42:05Z