{"id":"CVE-2024-25581","summary":"Transfer requests received over DoH can lead to a denial of service in DNSdist","details":"When incoming DNS over HTTPS support is enabled using the nghttp2 provider, and queries are routed to a tcp-only or DNS over TLS backend, an attacker can trigger an assertion failure in DNSdist by sending a request for a zone transfer (AXFR or IXFR) over DNS over HTTPS, causing the process to stop and thus leading to a Denial of Service. DNS over HTTPS is not enabled by default, and backends are using plain DNS (Do53) by default.","modified":"2026-08-12T03:51:38.195130724Z","published":"2024-05-13T11:49:24.500Z","related":["openSUSE-SU-2024:13958-1"],"database_specific":{"cna_assigner":"OX","cwe_ids":["CWE-20"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/25xxx/CVE-2024-25581.json"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/05/13/1"},{"type":"WEB","url":"https://repo.powerdns.com/"},{"type":"ADVISORY","url":"https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2024-03.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/25xxx/CVE-2024-25581.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-25581"},{"type":"PACKAGE","url":"https://github.com/PowerDNS/pdns"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/powerdns/pdns","events":[{"introduced":"298a9d67fb760a12eabe89164f92fb814572aea8"},{"last_affected":"4d238516b76f49c02e2ca2f8c179c4ab395f40dc"}],"database_specific":{"extracted_events":[{"introduced":"1.9.0"},{"last_affected":"1.9.0"},{"introduced":"1.9.1"},{"last_affected":"1.9.1"},{"introduced":"1.9.2"},{"last_affected":"1.9.2"},{"introduced":"1.9.3"},{"last_affected":"1.9.3"}],"source":"AFFECTED_FIELD"}}],"versions":["1.9.0","1.9.1","1.9.2","1.9.3","dnsdist-1.9.3","dnsdist-1.9.2","dnsdist-1.9.1","dnsdist-1.9.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-25581.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}