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

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

Updated: 2025-10-06T14:20:57.032Z

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

Link: CVE-2025-61962

cve-icon Vulnrichment

Updated: 2025-10-06T14:20:52.023Z

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2025-10-06T14:56:47.823

Link: CVE-2025-61962

cve-icon Redhat

Severity : Moderate

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

Links: CVE-2025-61962 - Bugzilla