Published: 12 August 2020
In Dovecot before 22.214.171.124, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
marking precise as ignored since we won't fix it version in that release is quite old and the backports could possibly cause serious regressions.
Cvss 3 Severity Score
Severity score breakdown