{"id":"CVE-2019-18836","details":"Envoy 1.12.0 allows a remote denial of service because of resource loops, as demonstrated by a single idle TCP connection being able to keep a worker thread in an infinite busy loop when continue_on_listener_filters_timeout is used.\"","aliases":["GHSA-3xvf-4396-cj46"],"modified":"2026-08-07T15:18:23.031698Z","published":"2019-11-11T01:15:10.210Z","references":[{"type":"WEB","url":"https://groups.google.com/forum/#%21forum/envoy-users"},{"type":"ADVISORY","url":"https://blog.envoyproxy.io"},{"type":"EVIDENCE","url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-3xvf-4396-cj46"},{"type":"EVIDENCE","url":"https://github.com/istio/istio/issues/18229"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/envoyproxy/envoy","events":[{"introduced":"ab30cafa0c033f8ef77c54dd98badea62b78506e"},{"last_affected":"ab30cafa0c033f8ef77c54dd98badea62b78506e"}],"database_specific":{"cpe":"cpe:2.3:a:envoyproxy:envoy:1.12.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.12.0"},{"last_affected":"1.12.0"}],"source":"CPE_STRING"}}],"versions":["1.12.0","v1.12.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18836.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/istio/istio","events":[{"introduced":"c2bd59595ce699b31d0f931885f023028ff7902b"},{"last_affected":"3cfabd9b36bcf9b5af3c390982772e8f1e798618"}],"database_specific":{"cpe":"cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.3.0"},{"last_affected":"1.3.3"}],"source":"CPE_RANGE"}}],"versions":["1.3.3","1.3.2","1.3.1","1.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18836.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}