{"id":"CVE-2021-25218","details":"In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.","modified":"2026-07-08T05:56:55.057589992Z","published":"2021-08-18T19:15:07.333Z","related":["CGA-cmh4-c22c-2qx9","openSUSE-SU-2024:10650-1"],"database_specific":{"unresolved_ranges":[{"vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"34"},{"last_affected":"34"}],"source":"CPE_STRING"},{"cpes":["cpe:2.3:a:isc:bind:9.17.16:s1:*:*:supported_preview:*:*:*"],"extracted_events":[{"introduced":"9.17.16-s1"},{"last_affected":"9.17.16-s1"},{"introduced":"9.17.16-s1"},{"last_affected":"9.17.16-s1"}],"source":"CPE_STRING","vendor_product":"isc:bind"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZPJCLGSR4BTGFLBLGIE5TEQP2SNJKGVL/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210909-0002/"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2021/08/18/3"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2021/08/20/2"},{"type":"EVIDENCE","url":"https://kb.isc.org/v1/docs/cve-2021-25218"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/isc-projects/bind9","events":[{"introduced":"df0e7519ee67fb7448c992d5dc792adab9806d0a"},{"last_affected":"b33f621318e6dd12672a42b5773e8d3d97cad5d8"}],"database_specific":{"cpe":["cpe:2.3:a:isc:bind:9.16.19:*:*:*:-:*:*:*","cpe:2.3:a:isc:bind:9.17.16:*:*:*:-:*:*:*"],"extracted_events":[{"introduced":"9.16.19"},{"last_affected":"9.16.19"},{"introduced":"9.17.16"},{"last_affected":"9.17.16"}],"source":"CPE_STRING"}}],"versions":["9.16.19","9.17.16"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25218.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.isc.org/isc-projects/bind9","events":[{"introduced":"df0e7519ee67fb7448c992d5dc792adab9806d0a"},{"last_affected":"b33f621318e6dd12672a42b5773e8d3d97cad5d8"}],"database_specific":{"cpe":["cpe:2.3:a:isc:bind:9.16.19:*:*:*:-:*:*:*","cpe:2.3:a:isc:bind:9.17.16:*:*:*:-:*:*:*"],"extracted_events":[{"introduced":"9.16.19"},{"last_affected":"9.16.19"},{"introduced":"9.17.16"},{"last_affected":"9.17.16"}],"source":"CPE_STRING"}}],"versions":["9.16.19","9.17.16"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25218.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"}]}