{"id":"UBUNTU-CVE-2019-20433","details":"libaspell.a in GNU Aspell before 0.60.8 has a buffer over-read for a string ending with a single '\\0' byte, if the encoding is set to ucs-2 or ucs-4 outside of the application, as demonstrated by the ASPELL_CONF environment variable.","modified":"2026-04-22T13:44:06.562981Z","published":"2020-01-27T15:15:00Z","upstream":["CVE-2019-20433"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-20433"},{"type":"REPORT","url":"http://aspell.net/buffer-overread-ucs.txt"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-20433"}],"affected":[{"package":{"name":"aspell","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/aspell@0.60.7~20110707-1ubuntu1+esm2?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.60.7~20110707-1build1","0.60.7~20110707-1ubuntu1","0.60.7~20110707-1ubuntu1+esm1","0.60.7~20110707-1ubuntu1+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"aspell","binary_version":"0.60.7~20110707-1ubuntu1+esm2"},{"binary_version":"0.60.7~20110707-1ubuntu1+esm2","binary_name":"libaspell15"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20433.json"}},{"package":{"name":"aspell","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/aspell@0.60.7~20110707-3ubuntu0.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.60.7~20110707-3","0.60.7~20110707-3build1","0.60.7~20110707-3ubuntu0.1","0.60.7~20110707-3ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"aspell","binary_version":"0.60.7~20110707-3ubuntu0.1+esm1"},{"binary_name":"libaspell15","binary_version":"0.60.7~20110707-3ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20433.json"}},{"package":{"name":"aspell","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/aspell@0.60.7~20110707-4ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.60.7~20110707-4","0.60.7~20110707-4ubuntu0.1","0.60.7~20110707-4ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"aspell","binary_version":"0.60.7~20110707-4ubuntu0.2"},{"binary_name":"libaspell15","binary_version":"0.60.7~20110707-4ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20433.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}