{"id":"USN-3527-1","summary":"irssi vulnerabilities","details":"Joseph Bisch discovered that Irssi incorrectly handled incomplete escape\ncodes. If a user were tricked into using malformed commands or opening\nmalformed files, an attacker could use this issue to cause Irssi to crash,\nresulting in a denial of service. (CVE-2018-5205)\n\nJoseph Bisch discovered that Irssi incorrectly handled settings the channel\ntopic without specifying a sender. A malicious IRC server could use this\nissue to cause Irssi to crash, resulting in a denial of service.\n(CVE-2018-5206)\n\nJoseph Bisch discovered that Irssi incorrectly handled incomplete variable\narguments. If a user were tricked into using malformed commands or opening\nmalformed files, an attacker could use this issue to cause Irssi to crash,\nresulting in a denial of service. (CVE-2018-5207)\n\nJoseph Bisch discovered that Irssi incorrectly handled completing certain\nstrings. An attacker could use this issue to cause Irssi to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2018-5208)\n","modified":"2026-02-10T04:41:16Z","published":"2018-01-10T13:30:46Z","related":["UBUNTU-CVE-2018-5205","UBUNTU-CVE-2018-5206","UBUNTU-CVE-2018-5207","UBUNTU-CVE-2018-5208"],"upstream":["CVE-2018-5205","CVE-2018-5206","CVE-2018-5207","CVE-2018-5208","UBUNTU-CVE-2018-5205","UBUNTU-CVE-2018-5206","UBUNTU-CVE-2018-5207","UBUNTU-CVE-2018-5208"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3527-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5205"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5206"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5207"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5208"}],"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_name":"irssi","binary_version":"0.8.15-5ubuntu3.4"},{"binary_name":"irssi-dev","binary_version":"0.8.15-5ubuntu3.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3527-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"id":"CVE-2018-5205","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-5206","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-5207","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-5208","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"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_name":"irssi","binary_version":"0.8.19-1ubuntu1.6"},{"binary_name":"irssi-dev","binary_version":"0.8.19-1ubuntu1.6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3527-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2018-5205","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-5206","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-5207","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-5208","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.3"}