{"id":"UBUNTU-CVE-2023-29491","details":"ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.","modified":"2026-04-22T16:41:16.791703Z","published":"2023-04-14T01:15:00Z","related":["USN-6099-1"],"upstream":["CVE-2023-29491"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-29491"},{"type":"REPORT","url":"https://invisible-island.net/ncurses/NEWS.html#index-t20230408"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2023/04/13/4"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2023/04/12/5"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6099-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-29491"}],"affected":[{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ncurses@5.9+20140118-1ubuntu1+esm3?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9+20140118-1ubuntu1+esm3"}]}],"versions":["5.9+20130608-1ubuntu1","5.9+20131221-1ubuntu1","5.9+20140118-1ubuntu1","5.9+20140118-1ubuntu1+esm1","5.9+20140118-1ubuntu1+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"lib32ncurses5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"lib32ncursesw5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"lib32tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"lib64ncurses5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"lib64tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"libncurses5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"libncursesw5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"libtinfo5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"libx32ncurses5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"libx32ncursesw5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"libx32tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"ncurses-base","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"ncurses-bin","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"ncurses-examples","binary_version":"5.9+20140118-1ubuntu1+esm3"},{"binary_name":"ncurses-term","binary_version":"5.9+20140118-1ubuntu1+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-29491.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ncurses@6.0+20160213-1ubuntu1+esm3?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0+20160213-1ubuntu1+esm3"}]}],"versions":["5.9+20150516-2ubuntu1","6.0+20151024-2ubuntu1","6.0+20151024-2ubuntu2","6.0+20160213-1ubuntu1","6.0+20160213-1ubuntu1+esm1","6.0+20160213-1ubuntu1+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"lib32ncurses5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"lib32ncursesw5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"lib32tinfo5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"lib64ncurses5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"lib64tinfo5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"libncurses5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_version":"6.0+20160213-1ubuntu1+esm3","binary_name":"libncursesw5"},{"binary_name":"libtinfo5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"libx32ncurses5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"libx32ncursesw5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"libx32tinfo5","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"ncurses-base","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"ncurses-bin","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"ncurses-examples","binary_version":"6.0+20160213-1ubuntu1+esm3"},{"binary_name":"ncurses-term","binary_version":"6.0+20160213-1ubuntu1+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-29491.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ncurses@6.1-1ubuntu1.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-1ubuntu1.18.04.1"}]}],"versions":["6.0+20160625-1ubuntu1","6.0+20171125-1ubuntu1","6.1-1ubuntu1","6.1-1ubuntu1.18.04"],"ecosystem_specific":{"binaries":[{"binary_name":"lib32ncurses5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"lib32ncursesw5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_version":"6.1-1ubuntu1.18.04.1","binary_name":"lib32tinfo5"},{"binary_name":"lib64ncurses5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_version":"6.1-1ubuntu1.18.04.1","binary_name":"lib64tinfo5"},{"binary_name":"libncurses5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"libncursesw5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"libtinfo5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"libx32ncurses5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"libx32ncursesw5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"libx32tinfo5","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"ncurses-base","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"ncurses-bin","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_name":"ncurses-examples","binary_version":"6.1-1ubuntu1.18.04.1"},{"binary_version":"6.1-1ubuntu1.18.04.1","binary_name":"ncurses-term"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-29491.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ncurses@6.2-0ubuntu2.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2-0ubuntu2.1"}]}],"versions":["6.1+20190803-1ubuntu1","6.1+20191019-1ubuntu1","6.2-0ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"lib32ncurses6","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"lib32ncursesw6","binary_version":"6.2-0ubuntu2.1"},{"binary_version":"6.2-0ubuntu2.1","binary_name":"lib32tinfo6"},{"binary_name":"lib64ncurses6","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"lib64ncursesw6","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"lib64tinfo6","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"libncurses5","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"libncurses6","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"libncursesw5","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"libncursesw6","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"libtinfo5","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"libtinfo6","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"ncurses-base","binary_version":"6.2-0ubuntu2.1"},{"binary_name":"ncurses-bin","binary_version":"6.2-0ubuntu2.1"},{"binary_version":"6.2-0ubuntu2.1","binary_name":"ncurses-examples"},{"binary_name":"ncurses-term","binary_version":"6.2-0ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-29491.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ncurses@6.3-2ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3-2ubuntu0.1"}]}],"versions":["6.2+20201114-2build1","6.2+20201114-2build2","6.3-1","6.3-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.3-2ubuntu0.1","binary_name":"lib32ncurses6"},{"binary_name":"lib32ncursesw6","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"lib32tinfo6","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"lib64ncurses6","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"lib64ncursesw6","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"lib64tinfo6","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"libncurses5","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"libncurses6","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"libncursesw5","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"libncursesw6","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"libtinfo5","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"libtinfo6","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"ncurses-base","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"ncurses-bin","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"ncurses-examples","binary_version":"6.3-2ubuntu0.1"},{"binary_name":"ncurses-term","binary_version":"6.3-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-29491.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}