{"id":"UBUNTU-CVE-2018-19211","details":"In ncurses 6.1, there is a NULL pointer dereference at function _nc_parse_entry in parse_entry.c that will lead to a denial of service attack. The product proceeds to the dereference code path even after a \"dubious character `*' in name or alias field\" detection.","modified":"2026-04-22T11:50:35.599113Z","published":"2018-11-12T19:29:00Z","related":["USN-5477-1"],"upstream":["CVE-2018-19211"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19211"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1643754"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5477-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-19211"}],"affected":[{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ncurses@5.9+20140118-1ubuntu1+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9+20140118-1ubuntu1+esm2"}]}],"versions":["5.9+20130608-1ubuntu1","5.9+20131221-1ubuntu1","5.9+20140118-1ubuntu1","5.9+20140118-1ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"lib32ncurses5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"lib32ncursesw5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"lib32tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"lib64ncurses5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"lib64tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"libncurses5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"libncursesw5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"libtinfo5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"libx32ncurses5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"libx32ncursesw5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"libx32tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"ncurses-base","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"ncurses-bin","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"ncurses-examples","binary_version":"5.9+20140118-1ubuntu1+esm2"},{"binary_name":"ncurses-term","binary_version":"5.9+20140118-1ubuntu1+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19211.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ncurses@6.0+20160213-1ubuntu1+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0+20160213-1ubuntu1+esm2"}]}],"versions":["5.9+20150516-2ubuntu1","6.0+20151024-2ubuntu1","6.0+20151024-2ubuntu2","6.0+20160213-1ubuntu1","6.0+20160213-1ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"lib32ncurses5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"lib32ncursesw5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"lib32tinfo5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"lib64ncurses5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"lib64tinfo5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"libncurses5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"libncursesw5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"libtinfo5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"libx32ncurses5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"libx32ncursesw5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"libx32tinfo5","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"ncurses-base","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"ncurses-bin","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"ncurses-examples","binary_version":"6.0+20160213-1ubuntu1+esm2"},{"binary_name":"ncurses-term","binary_version":"6.0+20160213-1ubuntu1+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19211.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ncurses@6.1-1ubuntu1.18.04?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-1ubuntu1.18.04"}]}],"versions":["6.0+20160625-1ubuntu1","6.0+20171125-1ubuntu1","6.1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"lib32ncurses5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"lib32ncursesw5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"lib32tinfo5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"lib64ncurses5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"lib64tinfo5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"libncurses5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"libncursesw5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"libtinfo5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"libx32ncurses5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"libx32ncursesw5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"libx32tinfo5","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"ncurses-base","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"ncurses-bin","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"ncurses-examples","binary_version":"6.1-1ubuntu1.18.04"},{"binary_name":"ncurses-term","binary_version":"6.1-1ubuntu1.18.04"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19211.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}