CVE-2020-25275
Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.
Date published : 2021-01-04
http://www.openwall.com/lists/oss-security/2021/01/04/3
https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html
