Packetbeat versions prior to 5.6.4 are affected by a denial of service flaw in the PostgreSQL protocol handler. If Packetbeat is listening for PostgreSQL traffic and a user is able to send arbitrary network traffic to the monitored port, the attacker could prevent Packetbeat from properly logging other PostgreSQL traffic.
[
{
"product": "Packetbeat",
"vendor": "Elastic",
"versions": [
{
"status": "affected",
"version": "before 5.6.4"
}
]
}
]