A vulnerability was found in dovecot 2.3.0 before 2.3.10 where, by sending mail with empty quoted localpart causes submission or lmtp component to crash.
Created dovecot tracking bugs for this issue:
Affects: fedora-all [bug 1836933]
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2020:4763 https://access.redhat.com/errata/RHSA-2020:4763