rutil/dns/DnsStub.cxx in ReSIProcate 1.3.2, as used by repro, allows remote attackers to cause a denial of service (daemon crash) via a SIP (1) INVITE or (2) OPTIONS message with a long domain name in a request URI, which triggers an assert error.
https://www.exploit-db.com/exploits/6046
https://exchange.xforce.ibmcloud.com/vulnerabilities/43770
http://www.resiprocate.org/ReSIProcate_1.3.3_Release