The DNS::GetResult function in dns.cpp in InspIRCd before 2.0.19 allows remote DNS servers to cause a denial of service (netsplit) via an invalid character in a PTR response, as demonstrated by a "\032" (whitespace) character in a hostname.Referenceshttps://github.com/inspircd/inspircd/issues/1033https://security.gentoo.org/glsa/201512-13http://www.inspircd.org/2015/04/16/v2019-released.htmlhttp://www.debian.org/security/2016/dsa-3527https://github.com/inspircd/inspircd/commit/6058483d9fbc1b904d5ae7cfea47bfcde5c5b559
