{"id":"CVE-2020-12604","aliases":["BIT-envoy-2020-12604","EUVD-2020-4906","GHSA-8hf8-8gvw-ggvx","RHSA-2020:2798","RHSA-2020:2864","openSUSE-SU-2022:0065-1"],"status":"published","title":"Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1 servicemesh-proxy security update","description":"Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.","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":"2026-11-09","score":0.01703,"percentile":0.77414,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-401"],"published":"2020-07-01T14:24:49Z","modified":"2026-10-20T10:51:46Z","fixes":[{"ecosystem":"Bitnami","package":"envoy","fixed_in":["1.12.5","1.13.3","1.14.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"envoy","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.12.5"},{"introduced":"1.13.2"},{"fixed":"1.13.3"},{"introduced":"1.14.2"},{"fixed":"1.14.3"}]}]},{"source":"osv","ecosystem":"Red Hat:service_mesh:1.1::el8","package":"servicemesh-proxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.1.4-2.el8"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:service_mesh:1.0::el8","package":"servicemesh-proxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.0.11-1.el8"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP3","package":"envoy-proxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.6-bp153.3.4.1"}]}],"bundled":5},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"envoy-proxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.6-bp153.3.4.1"}]}],"bundled":5}],"products":[{"vendor":"envoyproxy","product":"envoy"}],"references":[{"url":"https://github.com/envoyproxy/envoy/commits/master","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-8hf8-8gvw-ggvx","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12604","tags":["web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2020:2798","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1844251","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1844252","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1844254","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1844255","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_2798.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8663","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8663","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8663","tags":["advisory"]},{"url":"https://istio.io/latest/news/security/istio-security-2020-007/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-12603","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-12603","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12603","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-12604","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-12604","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-12605","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-12605","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12605","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2020:2864","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_2864.json","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/WUFXLLYPEPLGLE3CNOENBUDET76YJXPI/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1167073","tags":["report"]},{"url":"https://bugzilla.suse.com/1173559","tags":["report"]},{"url":"https://bugzilla.suse.com/1180121","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12603","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12604","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12605","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-35471","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8663","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-12604","description":"Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.","status":"published","published":"2020-07-01T14:24:49Z","modified":"2024-08-04T12:04:21.672Z","updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4906","description":"Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.","status":"published","published":"2020-07-01T14:24:49Z","modified":"2024-08-04T12:04:21Z","updated_at":"2026-11-03T03:07:39.896975Z"}],"nvd":[{"id":"CVE-2020-12604","description":"Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.","status":"published","published":"2020-07-01T15:15:12.923Z","modified":"2026-06-17T02:52:00.447Z","cvss":[{"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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:06:08.145904Z"}],"osv":[{"id":"CVE-2020-12604","description":"Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.","status":"published","published":"2020-07-01T15:15:12.923Z","modified":"2026-10-20T10:51:46.389938961Z","cvss":[{"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"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"RHSA-2020:2798","title":"Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.1 servicemesh-proxy security update","status":"published","published":"2024-09-16T04:33:14Z","modified":"2026-03-18T11:30:55.476615Z","cvss":[{"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"}],"updated_at":"2026-11-02T15:53:07.072948Z"},{"id":"RHSA-2020:2864","title":"Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.0 servicemesh-proxy security update","status":"published","published":"2024-09-16T04:33:21Z","modified":"2026-03-18T11:30:12.008163Z","cvss":[{"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"}],"updated_at":"2026-11-02T15:53:07.072948Z"},{"id":"BIT-envoy-2020-12604","description":"Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream.","status":"published","published":"2024-03-06T11:00:51.569Z","modified":"2026-09-08T08:47:09.013047499Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"openSUSE-SU-2022:0065-1","title":"Security update for envoy-proxy","description":"This update for envoy-proxy fixes the following issues:\n\nUpdate to 1.14.6:\n\n- CVE-2020-35471: Fixed a denial of service via dropped and truncated UDP datagrams (boo#1180121).\n","status":"published","published":"2022-03-02T16:51:20Z","modified":"2026-02-04T04:08:22.828372Z","updated_at":"2026-11-02T16:58:32.653274Z"}]}}