{"id":"UBUNTU-CVE-2018-5206","details":"When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.","modified":"2026-02-04T03:53:14.202723Z","published":"2018-01-06T00:00:00Z","related":["USN-3527-1"],"upstream":["CVE-2018-5206"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5206"},{"type":"REPORT","url":"https://irssi.org/security/irssi_sa_2018_01.txt"},{"type":"REPORT","url":"https://github.com/irssi/irssi/releases/download/1.0.6/irssi-1.0.5_1.0.6.diff"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3527-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-5206"}],"affected":[{"package":{"name":"irssi","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/irssi@0.8.15-5ubuntu3.4?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-5ubuntu3.4"}]}],"versions":["0.8.15-5ubuntu2","0.8.15-5ubuntu3","0.8.15-5ubuntu3.1","0.8.15-5ubuntu3.2","0.8.15-5ubuntu3.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.8.15-5ubuntu3.4","binary_name":"irssi"},{"binary_version":"0.8.15-5ubuntu3.4","binary_name":"irssi-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5206.json"}},{"package":{"name":"irssi","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/irssi@0.8.19-1ubuntu1.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.19-1ubuntu1.6"}]}],"versions":["0.8.17-1ubuntu1","0.8.17-1ubuntu2","0.8.18-1ubuntu1","0.8.19-1ubuntu1","0.8.19-1ubuntu1.2","0.8.19-1ubuntu1.3","0.8.19-1ubuntu1.4","0.8.19-1ubuntu1.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.8.19-1ubuntu1.6","binary_name":"irssi"},{"binary_version":"0.8.19-1ubuntu1.6","binary_name":"irssi-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5206.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}