CVE-2016-7142
The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.
Date published : 2016-09-26
http://www.inspircd.org/2016/09/03/v2023-released.html
https://github.com/inspircd/inspircd/commit/74fafb7f11b06747f69f182ad5e3769b665eea7a