{"id":"CVE-2019-7620","details":"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.","modified":"2026-07-08T19:51:11.396338Z","published":"2019-10-30T14:15:11.457Z","references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908"},{"type":"ADVISORY","url":"https://discuss.elastic.co/t/elastic-stack-7-4-1-security-update/204909"},{"type":"ADVISORY","url":"https://www.elastic.co/community/security"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/logstash","events":[{"introduced":"be68e31588903bde5ebe8fc76e2d850249b7efb6"},{"fixed":"1e4628fc5c490cd5b1afb3d50fd3528f1df45517"},{"introduced":"26101649981400490f8bab334c61a90a1d6325d2"},{"fixed":"b1ac63cdba26194cf35cf94c674c4d5259ced693"}],"database_specific":{"cpe":"cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*","source":"CPE_RANGE","extracted_events":[{"introduced":"6.0.0"},{"fixed":"6.8.4"},{"introduced":"7.0.0"},{"fixed":"7.4.1"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-7620.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}