Description
In fetchmail before 6.5.6, the SMTP client can crash when authenticating upon receiving a 334 status code in a malformed context.
Problem types
CWE-142 Improper Neutralization of Value Delimiters
Product status
5.9.9 before 6.5.6
References
www.openwall.com/lists/oss-security/2025/10/03/2
www.fetchmail.info/fetchmail-SA-2025-01.txt
gitlab.com/...ommit/4c3cebfa4e659fb778ca2cae0ccb3f69201609a8