CVE-2025-61962

State: Published
Severity: 5.9 Medium
Published: Oct 4, 2025
Updated: Nov 4, 2025
Reserved: Oct 4, 2025

Description

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

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	mitre

Weaknesses

CWE-142 Improper Neutralization of Value Delimiters

Affected Products

Product	Versions
fetchmailfetchmail	5.9.9 to before 6.5.6Affected

References

https://www.openwall.com/lists/oss-security/2025/10/03/2
https://www.fetchmail.info/fetchmail-SA-2025-01.txt
https://gitlab.com/fetchmail/fetchmail/-/commit/4c3cebfa4e659fb778ca2cae0ccb3f69201609a8
http://www.openwall.com/lists/oss-security/2025/10/04/3

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