{"id":"UBUNTU-CVE-2017-13728","details":"There is an infinite loop in the next_char function in comp_scan.c in ncurses 6.0, related to libtic. A crafted input will lead to a remote denial of service attack.","modified":"2026-02-04T04:10:42.970008Z","published":"2017-08-29T06:29:00Z","related":["USN-5448-1"],"upstream":["CVE-2017-13728"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-13728"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5448-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-13728"}],"affected":[{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ncurses@5.9+20140118-1ubuntu1+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9+20140118-1ubuntu1+esm1"}]}],"versions":["5.9+20130608-1ubuntu1","5.9+20131221-1ubuntu1","5.9+20140118-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib32ncurses5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib32ncurses5-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib32ncursesw5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib32ncursesw5-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib32tinfo-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib32tinfo5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib64ncurses5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib64ncurses5-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"lib64tinfo5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libncurses5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libncurses5-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libncursesw5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libncursesw5-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libtinfo-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libtinfo5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libx32ncurses5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libx32ncurses5-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libx32ncursesw5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libx32ncursesw5-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libx32tinfo-dev"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"libx32tinfo5"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"ncurses-base"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"ncurses-bin"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"ncurses-examples"},{"binary_version":"5.9+20140118-1ubuntu1+esm1","binary_name":"ncurses-term"}],"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/2017/UBUNTU-CVE-2017-13728.json"}},{"package":{"name":"ncurses","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ncurses@6.0+20160213-1ubuntu1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0+20160213-1ubuntu1+esm1"}]}],"versions":["5.9+20150516-2ubuntu1","6.0+20151024-2ubuntu1","6.0+20151024-2ubuntu2","6.0+20160213-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib32ncurses5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib32ncurses5-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib32ncursesw5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib32ncursesw5-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib32tinfo-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib32tinfo5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib64ncurses5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib64ncurses5-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"lib64tinfo5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libncurses5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libncurses5-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libncursesw5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libncursesw5-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libtinfo-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libtinfo5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libx32ncurses5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libx32ncurses5-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libx32ncursesw5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libx32ncursesw5-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libx32tinfo-dev"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"libx32tinfo5"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"ncurses-base"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"ncurses-bin"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"ncurses-examples"},{"binary_version":"6.0+20160213-1ubuntu1+esm1","binary_name":"ncurses-term"}],"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/2017/UBUNTU-CVE-2017-13728.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"negligible"}]}