{"id":"UBUNTU-CVE-2017-5356","details":"Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).","modified":"2026-04-22T11:26:23.374550Z","published":"2017-01-13T00:00:00Z","related":["USN-3184-1"],"upstream":["CVE-2017-5356"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-5356"},{"type":"REPORT","url":"https://blog.fuzzing-project.org/55-Fuzzing-Irssi-with-Perl-Scripts.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3184-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-5356"}],"affected":[{"package":{"name":"irssi","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/irssi@0.8.15-5ubuntu3.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-5ubuntu3.1"}]}],"versions":["0.8.15-5ubuntu2","0.8.15-5ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"irssi","binary_version":"0.8.15-5ubuntu3.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-5356.json"}},{"package":{"name":"irssi","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/irssi@0.8.19-1ubuntu1.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.19-1ubuntu1.3"}]}],"versions":["0.8.17-1ubuntu1","0.8.17-1ubuntu2","0.8.18-1ubuntu1","0.8.19-1ubuntu1","0.8.19-1ubuntu1.2"],"ecosystem_specific":{"binaries":[{"binary_name":"irssi","binary_version":"0.8.19-1ubuntu1.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-5356.json"}}],"schema_version":"1.7.5","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":"low"}]}