CVE-2019-20918: Inspircd

Medium severity, CVSS 6.5. EPSS: 1.5% chance of exploitation in the next 30 days.

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.

Affected products

• Inspircd Inspircd: from 3.0, before 3.1.0 (fixed in 3.1.0)

Published 2020-09-11. Last modified 2026-06-17.