{"id":"CVE-2021-36754","details":"PowerDNS Authoritative Server 4.5.0 before 4.5.1 allows anybody to crash the process by sending a specific query (QTYPE 65535) that causes an out-of-bounds exception.","modified":"2026-04-02T07:04:47.148778Z","published":"2021-07-30T14:15:18.253Z","related":["openSUSE-SU-2024:11156-1"],"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/07/26/2"},{"type":"ADVISORY","url":"https://doc.powerdns.com/authoritative/security-advisories/index.html"},{"type":"ADVISORY","url":"https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2021-01.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/powerdns/pdns","events":[{"introduced":"8acf42e9ad4c339b7636693ed2d22e305a2e2335"},{"fixed":"b17a76a74e19601630752453adadcab6f60283b6"}],"database_specific":{"versions":[{"introduced":"4.5.0"},{"fixed":"4.5.1"}]}}],"versions":["rec-4.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-36754.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"}]}