mail.local in NetBSD versions 6.0 through 6.0.6, 6.1 through 6.1.5, and 7.0 allows local users to change ownership of or append data to arbitrary files on the target system via a symlink attack on the user mailbox.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.216
EPSS Ranking 95.4%