{"id":"CVE-2019-19794","details":"The miekg Go DNS package before 1.1.25, as used in CoreDNS before 1.6.6 and other products, improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.","aliases":["GHSA-44r7-7p62-q3fr","GO-2020-0008"],"modified":"2026-07-08T20:16:13.168729Z","published":"2019-12-13T22:15:11.357Z","references":[{"type":"ADVISORY","url":"https://github.com/coredns/coredns/issues/3547"},{"type":"ADVISORY","url":"https://github.com/miekg/dns/compare/v1.1.24...v1.1.25"},{"type":"REPORT","url":"https://github.com/coredns/coredns/issues/3519"},{"type":"REPORT","url":"https://github.com/miekg/dns/issues/1043"},{"type":"FIX","url":"https://github.com/miekg/dns/pull/1044"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/miekg/dns","events":[{"introduced":"0"},{"fixed":"aae7df65e6178e7937664e9c3036f62fc2098d7c"}],"database_specific":{"cpe":"cpe:2.3:a:miekg-dns_project:miekg-dns:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.1.25"}],"source":"CPE_RANGE"}}],"versions":["v1.1.24","v1.1.23","v1.1.22","v1.1.21","v1.1.20","v1.1.19","v1.1.18","v1.1.17","v1.1.16","v1.1.15","v1.1.14","v1.1.13","v1.1.12","v1.1.11","v1.1.10","v1.1.9","v1.1.8","v1.1.7","v1.1.6","v1.1.5","v1.1.4","v1.1.3","v1.1.2","v1.1.1","v1.1.0","v1.0.15","v1.0.14","v1.0.13","v1.0.12","v1.0.11","v1.0.10","v1.0.9","v1.0.8","v1.0.7","v1.0.6","v1.0.5","v1.0.4","v1.0.3","v1.0.1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19794.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}