{"id":"CVE-2021-32566","details":"Improper Input Validation vulnerability in HTTP/2 of Apache Traffic Server allows an attacker to DOS the server. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.","modified":"2026-04-09T08:03:35.888186Z","published":"2021-06-30T08:15:06.737Z","references":[{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/ra1a41ff92a70d25bf576d7da2590575e8ff430393a3f4a0c34de4277%40%3Cusers.trafficserver.apache.org%3E"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4957"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/trafficserver","events":[{"introduced":"6c1c6cf20e7d0e287d697a0f4181436013d17c30"},{"last_affected":"8e8bf8c583d55e46c4de34cccee0c4c5df83e979"},{"introduced":"b310e3566f58dd04ec2b15b111ec86ea70e20019"},{"last_affected":"c71b082690599c6da5efe981175fcb9a1a961a1b"},{"introduced":"b14030656330ed623cd1f9efe2f4f9abd9d16e29"},{"last_affected":"3bb1ae9fa5c71b8e65cb782f402d8780b522693d"},{"introduced":"0"},{"last_affected":"3fa146678bc6a061722f4ea930998ae29ad70de3"}],"database_specific":{"versions":[{"introduced":"7.0.0"},{"last_affected":"7.1.12"},{"introduced":"8.0.0"},{"last_affected":"8.1.1"},{"introduced":"9.0.0"},{"last_affected":"9.0.1"},{"introduced":"0"},{"last_affected":"10.0"}]}}],"versions":["10.0.0","10.0.0-rc0","3.1.2","3.3.0","3.3.1","7.1.0","7.1.0-rc0","7.1.0-rc1","7.1.1","7.1.1-rc0","7.1.1-rc1","7.1.10","7.1.10-rc0","7.1.11","7.1.11-rc0","7.1.12","7.1.12-rc0","7.1.2","7.1.2-rc0","7.1.2-rc1","7.1.2-rc2","7.1.2-rc3","7.1.2-rc4","7.1.3","7.1.3-rc0","7.1.4","7.1.4-rc0","7.1.4-rc1","7.1.5","7.1.5-rc0","7.1.5-rc1","7.1.6","7.1.6-rc0","7.1.6-rc1","7.1.7","7.1.7-rc0","7.1.8","7.1.9","7.1.9-rc0","7.1.9-rc1","7.1.9-rc2","8.0.0","8.0.0-rc4","8.0.1","8.0.1-rc0","8.0.2","8.0.2-rc0","8.0.3","8.0.3-rc0","8.0.4","8.0.4-rc0","8.0.5","8.0.6","8.0.6-rc0","8.0.6-rc1","8.1.0","8.1.0-rc0","8.1.1","8.1.1-rc0","9.0.0","9.0.0-rc1","9.0.1","9.0.1-rc0","9.0.1-rc1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32566.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"}]}