Vulnerability Description
In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.
CVSS Score
5.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://gitlab.com/fetchmail/fetchmail/-/commit/4c3cebfa4e659fb778ca2cae0ccb3f69
- https://www.fetchmail.info/fetchmail-SA-2025-01.txt
- https://www.openwall.com/lists/oss-security/2025/10/03/2
- http://www.openwall.com/lists/oss-security/2025/10/04/3
FAQ
What is CVE-2025-61962?
CVE-2025-61962 is a vulnerability with a CVSS score of 5.9 (MEDIUM). In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.
How severe is CVE-2025-61962?
CVE-2025-61962 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-61962?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.