{"id":"UBUNTU-CVE-2021-29376","details":"ircII before 20210314 allows remote attackers to cause a denial of service (segmentation fault and client crash, disconnecting the victim from an IRC server) via a crafted CTCP UTC message.","modified":"2026-01-20T17:35:24.527020Z","published":"2021-03-30T07:15:00Z","upstream":["CVE-2021-29376"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-29376"},{"type":"REPORT","url":"http://www.eterna.com.au/ircii/"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2021/03/24/2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-29376"}],"affected":[{"package":{"name":"ircii","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ircii@20060725-1build1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20060725-1","20060725-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ircii","binary_version":"20060725-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29376.json"}},{"package":{"name":"ircii","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ircii@20170704-1build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20170704-1","20170704-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ircii","binary_version":"20170704-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29376.json"}},{"package":{"name":"ircii","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ircii@20190117-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20190117-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ircii","binary_version":"20190117-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29376.json"}},{"package":{"name":"ircii","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ircii@20210328-2build1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20210314+really20190117-1","20210328-2","20210328-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ircii","binary_version":"20210328-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29376.json"}},{"package":{"name":"ircii","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ircii@20210328-2build3?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20210328-2build1","20210328-2build2","20210328-2build3"],"ecosystem_specific":{"binaries":[{"binary_name":"ircii","binary_version":"20210328-2build3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29376.json"}},{"package":{"name":"ircii","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/ircii@20240918-1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20240918-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ircii","binary_version":"20240918-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29376.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}