The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
{
"source": "CPE_FIELD",
"cpe": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "4.94.2"
}
]
}