{"id":"CVE-2020-8661","aliases":["BIT-envoy-2020-8661","EUVD-2020-29509","GHSA-36cq-ww7h-p4j7","RHSA-2020:0734"],"status":"published","title":"Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.0.9 servicemesh-proxy security update","description":"CNCF Envoy through 1.13.0 may consume excessive amounts of memory when responding internally to pipelined requests.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01869,"percentile":0.79511,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2020-03-04T20:48:16Z","modified":"2026-10-20T10:53:31Z","affected":[{"source":"osv","ecosystem":"Bitnami","package":"envoy","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.13.0"}]}]},{"source":"osv","ecosystem":"Red Hat:service_mesh:1.0::el8","package":"servicemesh-proxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.0.9-2.el8"}]}],"bundled":4}],"products":[{"vendor":"envoyproxy","product":"envoy"},{"vendor":"redhat","product":"openshift_service_mesh"}],"references":[{"url":"https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-36cq-ww7h-p4j7","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","article"]},{"url":"https://access.redhat.com/errata/RHSA-2020:0734","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8661","tags":["web","advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1802539","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1802540","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1802542","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1802545","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_0734.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8659","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8659","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8659","tags":["advisory"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8660","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8660","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8660","tags":["advisory"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-c4g8-7grc-5wvx","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8661","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8661","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8664","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8664","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8664","tags":["advisory"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8","tags":["article"]}],"sources":{"cve":[{"id":"CVE-2020-8661","description":"CNCF 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