When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.
{ "versions": [ { "introduced": "0" }, { "fixed": "1.0.6" } ] }
[ { "events": [ { "introduced": "0" }, { "last_affected": "9.0" } ] } ]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-5206.json"