Packetbeat versions prior to 5.6.4 and 6.0.0 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.
discuss.elastic.co/t/beats-5-6-4-security-update/106739
github.com/elastic/beats
github.com/elastic/beats/commit/aeca65779d573976981587ca1d1461399e1b59dd
github.com/elastic/beats/pull/5457
github.com/elastic/beats/pull/5479
github.com/elastic/beats/pull/5480
nvd.nist.gov/vuln/detail/CVE-2017-11480
pkg.go.dev/vuln/GO-2022-0643