CVE-2019-20918
An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.
Date published : 2020-09-11
https://docs.inspircd.org/security/2019-01/
https://github.com/inspircd/inspircd/commit/7b47de3c194f239c5fea09a0e49696c9af017d51