CVE ID:	CVE-2021-25214
Description:	In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 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 9 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 malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.
Test IDs:	1.3.6.1.4.1.25623.1.0.704909   1.3.6.1.4.1.25623.1.0.892647   1.3.6.1.4.1.25623.1.1.10.2021.0275   1.3.6.1.4.1.25623.1.0.883376   1.3.6.1.4.1.25623.1.0.145863   1.3.6.1.4.1.25623.1.0.145864
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-25214 https://kb.isc.org/v1/docs/cve-2021-25214 Debian Security Information: DSA-4909 (Google Search) https://www.debian.org/security/2021/dsa-4909 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/ https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html http://www.openwall.com/lists/oss-security/2021/04/29/1 http://www.openwall.com/lists/oss-security/2021/04/29/2 http://www.openwall.com/lists/oss-security/2021/04/29/3 http://www.openwall.com/lists/oss-security/2021/04/29/4