{"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":"2026-04-10T04:30:59.923898Z","published":"2021-08-18T19:15:07.333Z","related":["CGA-cmh4-c22c-2qx9","openSUSE-SU-2024:10650-1"],"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://gitlab.isc.org/isc-projects/bind9","events":[{"introduced":"0"},{"last_affected":"df0e7519ee67fb7448c992d5dc792adab9806d0a"},{"introduced":"0"},{"last_affected":"b33f621318e6dd12672a42b5773e8d3d97cad5d8"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"9.16.19"},{"introduced":"0"},{"last_affected":"9.17.16"}]}}],"versions":["v9.10.0a1","v9.10.0a2","v9.10.0b1","v9.10.0b2","v9.10.0rc1","v9.11.0a1","v9.11.0a2","v9.11.0a3","v9.12.0a1","v9.12.0b1","v9.12.0b2","v9.12.0rc1","v9.13.0","v9.13.2","v9.13.3","v9.13.4","v9.13.5","v9.13.6","v9.15.0","v9.15.2","v9.15.3","v9.15.4","v9.15.7","v9.15.8","v9.16.0","v9.16.19","v9.17.16","v9.5.0a1","v9.5.0a2","v9.5.0a3","v9.5.0a4","v9.5.0a5","v9.5.0a6","v9.7.0a1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.17.16-s1"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]}],"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"}]}