Published: 12 February 2020
The IMAP and LMTP components in Dovecot 2.3.9 before 184.108.40.206 mishandle snippet generation when many characters must be read to compute the snippet and a trailing > character exists. This causes a denial of service in which the recipient cannot read all of their messages.
2.3.9 only introduced by 74063ed8219d055489d5233b0c02a59886d2078c
Severity score breakdown