In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 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.
www.openwall.com/lists/oss-security/2021/04/29/1
www.openwall.com/lists/oss-security/2021/04/29/2
www.openwall.com/lists/oss-security/2021/04/29/3
www.openwall.com/lists/oss-security/2021/04/29/4
cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
kb.isc.org/v1/docs/cve-2021-25215
lists.debian.org/debian-lts-announce/2021/05/msg00001.html
lists.fedoraproject.org/archives/list/[email protected]/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
lists.fedoraproject.org/archives/list/[email protected]/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
security.netapp.com/advisory/ntap-20210521-0006/
www.debian.org/security/2021/dsa-4909
www.oracle.com/security-alerts/cpuoct2021.html