{"id":"CVE-2020-8659","details":"CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks.","modified":"2026-04-11T12:35:11.170382Z","published":"2020-03-04T21:15:11.340Z","related":["GHSA-jwcm-4pwp-c2qv"],"database_specific":{"unresolved_ranges":[{"cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"9.0"}],"source":"CPE_FIELD"}]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0734"},{"type":"ADVISORY","url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00025.html"},{"type":"ADVISORY","url":"https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/envoyproxy/envoy","events":[{"introduced":"0"},{"last_affected":"bb7ceff4c3c5bd4555dff28b6e56d27f2f8be0a7"},{"last_affected":"ef54a03858d0be3e7768d37b5a8c0b136b664e21"}],"database_specific":{"cpe":["cpe:2.3:a:cncf:envoy:*:*:*:*:*:*:*:*","cpe:2.3:a:redhat:openshift_service_mesh:1.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"0"},{"last_affected":"1.13.0"},{"last_affected":"1.0"}],"source":"CPE_FIELD"}}],"versions":["v1.0.0","v1.1.0","v1.10.0","v1.11.0","v1.12.0","v1.13.0","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/osv-test-cve-osv-conversion/osv-output/CVE-2020-8659.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"}]}