When curl < 7.84.0 does FTP transfers secured by krb5, it handles message verification failures wrongly. This flaw makes it possible for a Man-In-The-Middle attack to go unnoticed and even allows it to inject data to the client.
https://www.debian.org/security/2022/dsa-5197
https://support.apple.com/kb/HT213488
https://security.netapp.com/advisory/ntap-20220915-0003/
https://security.gentoo.org/glsa/202212-01
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html
https://hackerone.com/reports/1590071