{"id":"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":"2026-04-16T00:04:18.856610561Z","published":"2021-05-28T11:15:07.900Z","related":["ALSA-2021:1924","SUSE-SU-2021:14744-1","SUSE-SU-2021:1901-1","SUSE-SU-2021:1902-1","SUSE-SU-2021:1906-1","SUSE-SU-2021:1927-1","SUSE-SU-2021:1956-1","SUSE-SU-2022:2881-1","SUSE-SU-2022:2881-2","openSUSE-SU-2021:0874-1","openSUSE-SU-2024:12406-1","openSUSE-SU-2024:13045-1"],"references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-10"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921846"},{"type":"EVIDENCE","url":"https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"0.14.92"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"fixed":"0.14.92"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20201.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:L"}]}