{"id":"USN-6451-1","summary":"ncurses vulnerability","details":"It was discovered that ncurses could be made to read out of bounds.\nAn attacker could possibly use this issue to cause a denial of service.\n","modified":"2026-06-29T13:50:58.836220605Z","published":"2023-10-24T19:21:26Z","related":["UBUNTU-CVE-2020-19189"],"upstream":["CVE-2020-19189","UBUNTU-CVE-2020-19189"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6451-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-19189"}],"affected":[{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ncurses?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9+20140118-1ubuntu1+esm4"}]}],"versions":["5.9+20130608-1ubuntu1","5.9+20131221-1ubuntu1","5.9+20140118-1ubuntu1","5.9+20140118-1ubuntu1+esm1","5.9+20140118-1ubuntu1+esm2","5.9+20140118-1ubuntu1+esm3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"5.9+20140118-1ubuntu1+esm4","binary_name":"lib32ncurses5"},{"binary_name":"lib32ncursesw5","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_name":"lib32tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_version":"5.9+20140118-1ubuntu1+esm4","binary_name":"lib64ncurses5"},{"binary_name":"lib64tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_name":"libncurses5","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_version":"5.9+20140118-1ubuntu1+esm4","binary_name":"libncursesw5"},{"binary_name":"libtinfo5","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_name":"libx32ncurses5","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_name":"libx32ncursesw5","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_name":"libx32tinfo5","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_version":"5.9+20140118-1ubuntu1+esm4","binary_name":"ncurses-base"},{"binary_name":"ncurses-bin","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_name":"ncurses-examples","binary_version":"5.9+20140118-1ubuntu1+esm4"},{"binary_version":"5.9+20140118-1ubuntu1+esm4","binary_name":"ncurses-term"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-19189"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6451-1.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ncurses?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0+20160213-1ubuntu1+esm4"}]}],"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","6.0+20160213-1ubuntu1+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"lib32ncurses5","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_version":"6.0+20160213-1ubuntu1+esm4","binary_name":"lib32ncursesw5"},{"binary_name":"lib32tinfo5","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_version":"6.0+20160213-1ubuntu1+esm4","binary_name":"lib64ncurses5"},{"binary_version":"6.0+20160213-1ubuntu1+esm4","binary_name":"lib64tinfo5"},{"binary_name":"libncurses5","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_version":"6.0+20160213-1ubuntu1+esm4","binary_name":"libncursesw5"},{"binary_name":"libtinfo5","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_name":"libx32ncurses5","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_name":"libx32ncursesw5","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_name":"libx32tinfo5","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_version":"6.0+20160213-1ubuntu1+esm4","binary_name":"ncurses-base"},{"binary_name":"ncurses-bin","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_name":"ncurses-examples","binary_version":"6.0+20160213-1ubuntu1+esm4"},{"binary_version":"6.0+20160213-1ubuntu1+esm4","binary_name":"ncurses-term"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2020-19189","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6451-1.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ncurses?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-1ubuntu1.18.04.1+esm1"}]}],"versions":["6.0+20160625-1ubuntu1","6.0+20171125-1ubuntu1","6.1-1ubuntu1","6.1-1ubuntu1.18.04","6.1-1ubuntu1.18.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"lib32ncurses5"},{"binary_name":"lib32ncursesw5","binary_version":"6.1-1ubuntu1.18.04.1+esm1"},{"binary_name":"lib32tinfo5","binary_version":"6.1-1ubuntu1.18.04.1+esm1"},{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"lib64ncurses5"},{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"lib64tinfo5"},{"binary_name":"libncurses5","binary_version":"6.1-1ubuntu1.18.04.1+esm1"},{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"libncursesw5"},{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"libtinfo5"},{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"libx32ncurses5"},{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"libx32ncursesw5"},{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"libx32tinfo5"},{"binary_name":"ncurses-base","binary_version":"6.1-1ubuntu1.18.04.1+esm1"},{"binary_version":"6.1-1ubuntu1.18.04.1+esm1","binary_name":"ncurses-bin"},{"binary_name":"ncurses-examples","binary_version":"6.1-1ubuntu1.18.04.1+esm1"},{"binary_name":"ncurses-term","binary_version":"6.1-1ubuntu1.18.04.1+esm1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-19189","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6451-1.json"}}],"schema_version":"1.7.5"}