{"id":"CVE-2021-25215","details":"In BIND 9.0.0 -\u003e 9.11.29, 9.12.0 -\u003e 9.16.13, and versions BIND 9.9.3-S1 -\u003e 9.11.29-S1 and 9.16.8-S1 -\u003e 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -\u003e 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.","modified":"2026-04-10T04:31:00.100331Z","published":"2021-04-29T01:15:08.013Z","related":["CGA-h5gp-rxc4-qpr7","MGASA-2021-0220","SUSE-SU-2021:1468-1","SUSE-SU-2021:1469-1","SUSE-SU-2021:1471-1","SUSE-SU-2021:14714-1","SUSE-SU-2021:1826-1","openSUSE-SU-2021:0668-1","openSUSE-SU-2021:1826-1","openSUSE-SU-2024:10650-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/"},{"type":"ADVISORY","url":"https://kb.isc.org/v1/docs/cve-2021-25215"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210521-0006/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4909"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/04/29/1"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/04/29/2"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/04/29/3"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/04/29/4"},{"type":"FIX","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuoct2021.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.isc.org/isc-projects/bind9","events":[{"introduced":"0"},{"last_affected":"19d6c56085e97cf4ac559cdc27edd624127bcb32"},{"introduced":"19d6c56085e97cf4ac559cdc27edd624127bcb32"},{"fixed":"ac3f4eb88b9f1581d141458b99635bf2cb9db1ba"},{"introduced":"71a40862c0be867999867cd99e21c2266a5e452b"},{"fixed":"4469e3e6269d03d06286fd451490a1650bd9609e"},{"introduced":"04ca7cc4b6993f47ea61852c759d047c83be7b3f"},{"fixed":"50d43fc5905e4bc07acffbb5044ab8e40a1e461e"},{"introduced":"0"},{"last_affected":"1c59cea1c0e26e2da3f2afb90200bfe9f7748c03"},{"introduced":"0"},{"last_affected":"470cee7071b278e016ae94cd403dbc13689d3444"},{"introduced":"0"},{"last_affected":"341e64a2de908ceec50ed46d243bf3402342735c"},{"introduced":"0"},{"last_affected":"fe1302d54424009769409e46c0d50c0bcccd1d31"},{"introduced":"0"},{"last_affected":"617639b7cc40ba9eb6fde2d98099726d50da812e"},{"introduced":"0"},{"last_affected":"eba38b89007f65bc6c1fdd2451034bbe3908b9a4"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"9.0"},{"introduced":"9.0.0"},{"fixed":"9.11.31"},{"introduced":"9.12.0"},{"fixed":"9.16.15"},{"introduced":"9.17.0"},{"fixed":"9.17.12"},{"introduced":"0"},{"last_affected":"9.9.3-s1"},{"introduced":"0"},{"last_affected":"9.9.12-s1"},{"introduced":"0"},{"last_affected":"9.10.5-s1"},{"introduced":"0"},{"last_affected":"9.10.7-s1"},{"introduced":"0"},{"last_affected":"9.11.3-s1"},{"introduced":"0"},{"last_affected":"9.11.6-s1"}]}}],"versions":["v9.0.0","v9.10.0a1","v9.10.0a2","v9.10.0b1","v9.10.0b2","v9.10.0rc1","v9.10.0rc2","v9.10.1","v9.10.1b1","v9.10.1b2","v9.10.1rc1","v9.10.1rc2","v9.10.2","v9.10.2b1","v9.10.2rc1","v9.10.2rc2","v9.10.3","v9.10.3b1","v9.10.3rc1","v9.10.4","v9.10.4b1","v9.10.4b2","v9.10.4b3","v9.10.4rc1","v9.10.5","v9.10.5b1","v9.10.5rc1","v9.10.5rc2","v9.10.5rc3","v9.10.6b1","v9.10.6rc1","v9.10.7b1","v9.11.0","v9.11.0a1","v9.11.0a2","v9.11.0a3","v9.11.0b1","v9.11.0b2","v9.11.0b3","v9.11.0rc1","v9.11.0rc2","v9.11.0rc3","v9.11.1","v9.11.11","v9.11.14","v9.11.16","v9.11.1b1","v9.11.1rc1","v9.11.1rc2","v9.11.1rc3","v9.11.2b1","v9.11.2rc1","v9.11.3b1","v9.11.3rc1","v9.11.4","v9.11.4rc2","v9.11.6","v9.11.6-P1","v9.11.6rc1","v9.11.7","v9.11.9","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","v9.5.0a1","v9.5.0a2","v9.5.0a3","v9.5.0a4","v9.5.0a5","v9.5.0a6","v9.7.0a1","v9.9.0","v9.9.0rc3","v9.9.0rc4","v9.9.1","v9.9.10","v9.9.10b1","v9.9.10rc1","v9.9.10rc2","v9.9.10rc3","v9.9.11b1","v9.9.11rc1","v9.9.12b1","v9.9.2b1","v9.9.2rc1","v9.9.3","v9.9.3b1","v9.9.3b2","v9.9.3rc1","v9.9.3rc2","v9.9.4","v9.9.4b1","v9.9.4rc2","v9.9.5","v9.9.5b1","v9.9.5rc1","v9.9.5rc2","v9.9.6","v9.9.6b1","v9.9.6b2","v9.9.6rc1","v9.9.6rc2","v9.9.7","v9.9.7b1","v9.9.7rc1","v9.9.7rc2","v9.9.8","v9.9.8b1","v9.9.8rc1","v9.9.9","v9.9.9b1","v9.9.9b2","v9.9.9rc1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.9.13-s1"}]},{"events":[{"introduced":"0"},{"last_affected":"9.11.5-s3"}]},{"events":[{"introduced":"0"},{"last_affected":"9.11.5-s5"}]},{"events":[{"introduced":"0"},{"last_affected":"9.11.5-s6"}]},{"events":[{"introduced":"0"},{"last_affected":"9.11.7-s1"}]},{"events":[{"introduced":"0"},{"last_affected":"9.11.8-s1"}]},{"events":[{"introduced":"0"},{"last_affected":"9.11.12-s1"}]},{"events":[{"introduced":"0"},{"la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