{"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.\"","modified":"2026-03-15T22:28:00.520839Z","published":"2019-11-11T01:15:10.210Z","related":["GHSA-3xvf-4396-cj46"],"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":"0"},{"last_affected":"ab30cafa0c033f8ef77c54dd98badea62b78506e"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.12.0"}]}},{"type":"GIT","repo":"https://github.com/istio/istio","events":[{"introduced":"c2bd59595ce699b31d0f931885f023028ff7902b"},{"last_affected":"3cfabd9b36bcf9b5af3c390982772e8f1e798618"}],"database_specific":{"versions":[{"introduced":"1.3.0"},{"last_affected":"1.3.3"}]}}],"versions":["1.3.0","1.3.1","1.3.2","1.3.3","v1.0.0","v1.1.0","v1.10.0","v1.11.0","v1.12.0","v1.2.0","v1.3.0","v1.4.0","v1.5.0","v1.6.0","v1.7.0","v1.8.0","v1.9.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18836.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"}]}