{"id":"UBUNTU-CVE-2017-15227","details":"Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions when updating the state later on.","modified":"2026-02-04T02:20:30.585698Z","published":"2017-10-22T00:00:00Z","related":["USN-3465-1"],"upstream":["CVE-2017-15227"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-15227"},{"type":"REPORT","url":"http://openwall.com/lists/oss-security/2017/10/22/4"},{"type":"REPORT","url":"https://irssi.org/security/irssi_sa_2017_10.txt"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3465-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-15227"}],"affected":[{"package":{"name":"irssi","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/irssi@0.8.15-5ubuntu3.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-5ubuntu3.3"}]}],"versions":["0.8.15-5ubuntu2","0.8.15-5ubuntu3","0.8.15-5ubuntu3.1","0.8.15-5ubuntu3.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.8.15-5ubuntu3.3","binary_name":"irssi"},{"binary_version":"0.8.15-5ubuntu3.3","binary_name":"irssi-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-15227.json"}},{"package":{"name":"irssi","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/irssi@0.8.19-1ubuntu1.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.19-1ubuntu1.5"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.8.19-1ubuntu1.5","binary_name":"irssi"},{"binary_version":"0.8.19-1ubuntu1.5","binary_name":"irssi-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-15227.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:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}