In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
{
"cpe": "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.3.10.1"
}
],
"source": "CPE_RANGE"
}