{"id":"ALPINE-CVE-2021-20201","details":"A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.","modified":"2026-03-09T01:18:31.275048Z","published":"2021-05-28T11:15:07.900Z","upstream":["CVE-2021-20201"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-20201"}],"affected":[{"package":{"name":"spice","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.2-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.2-r2"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}},{"package":{"name":"spice","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/spice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.14.3-r1"}]}],"versions":["0.10.0-r0","0.10.0-r1","0.10.0-r2","0.10.1-r0","0.12.0-r0","0.12.0-r1","0.12.2-r0","0.12.2-r1","0.12.3-r0","0.12.4-r0","0.12.5-r0","0.12.5-r1","0.12.5-r2","0.12.6-r0","0.12.6-r1","0.12.7-r0","0.12.7-r1","0.12.8-r0","0.12.8-r1","0.12.8-r2","0.12.8-r3","0.12.8-r4","0.13.3-r0","0.13.3-r1","0.14.0-r4","0.14.0-r5","0.14.0-r6","0.14.0-r7","0.14.1-r0","0.14.1-r1","0.14.1-r2","0.14.1-r3","0.14.1-r4","0.14.1-r5","0.14.1-r6","0.14.2-r0","0.14.2-r1","0.14.3-r0"],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-20201.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}