CVE-2019-7620: Elastic Logstash

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding.

Affected products

• Elastic Logstash: from 6.0.0, before 6.8.4 (fixed in 6.8.4); from 7.0.0, before 7.4.1 (fixed in 7.4.1)

Published 2019-10-30. Last modified 2026-06-17.