CVE ID:	CVE-2016-6171
Description:	Knot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.
Test IDs:	1.3.6.1.4.1.25623.1.0.871906   1.3.6.1.4.1.25623.1.0.809150   1.3.6.1.4.1.25623.1.0.809147   1.3.6.1.4.1.25623.1.0.106119
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2016-6171 91678 http://www.securityfocus.com/bid/91678 [dns-operations] 20160704 DNS activities in Japan https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html [oss-security] 20160706 Malicious primary DNS servers can crash secondaries http://www.openwall.com/lists/oss-security/2016/07/06/3 [oss-security] 20160706 Re: Malicious primary DNS servers can crash secondaries http://www.openwall.com/lists/oss-security/2016/07/06/4 https://github.com/sischkg/xfer-limit/blob/master/README.md https://github.com/sischkg/xfer-limit/blob/master/README.md https://gitlab.labs.nic.cz/labs/knot/blob/c546a70563ef4c7badb7cb5bdf6d1ba8e7adae82/NEWS https://gitlab.labs.nic.cz/labs/knot/blob/c546a70563ef4c7badb7cb5bdf6d1ba8e7adae82/NEWS https://gitlab.labs.nic.cz/labs/knot/issues/464 https://gitlab.labs.nic.cz/labs/knot/issues/464