{"id":"UBUNTU-CVE-2022-31783","details":"Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.","modified":"2026-04-22T15:34:09.812460Z","published":"2022-06-02T14:15:00Z","related":["USN-5476-1"],"upstream":["CVE-2022-31783"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-31783"},{"type":"REPORT","url":"https://github.com/liblouis/liblouis/issues/1214"},{"type":"REPORT","url":"https://github.com/liblouis/liblouis/commit/ff747ec5e1ac54d54194846f6fe5bfc689192a85"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5476-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-31783"}],"affected":[{"package":{"name":"liblouis","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/liblouis@3.5.0-1ubuntu0.4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.0-1ubuntu0.4"}]}],"versions":["3.0.0-3ubuntu1","3.3.0-1","3.4.1-1","3.5.0-1","3.5.0-1ubuntu0.1","3.5.0-1ubuntu0.2","3.5.0-1ubuntu0.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"liblouis-bin","binary_version":"3.5.0-1ubuntu0.4"},{"binary_name":"liblouis-data","binary_version":"3.5.0-1ubuntu0.4"},{"binary_name":"liblouis14","binary_version":"3.5.0-1ubuntu0.4"},{"binary_name":"python-louis","binary_version":"3.5.0-1ubuntu0.4"},{"binary_name":"python3-louis","binary_version":"3.5.0-1ubuntu0.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31783.json"}},{"package":{"name":"liblouis","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/liblouis@3.12.0-3ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.0-3ubuntu0.1"}]}],"versions":["3.10.0-1","3.11.0-2","3.11.0-3","3.12.0-2","3.12.0-3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"liblouis-bin","binary_version":"3.12.0-3ubuntu0.1"},{"binary_name":"liblouis-data","binary_version":"3.12.0-3ubuntu0.1"},{"binary_name":"liblouis20","binary_version":"3.12.0-3ubuntu0.1"},{"binary_name":"python3-louis","binary_version":"3.12.0-3ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31783.json"}},{"package":{"name":"liblouis","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/liblouis@3.20.0-2ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.20.0-2ubuntu0.1"}]}],"versions":["3.18.0-1","3.18.0-1build1","3.19.0-2","3.20.0-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"liblouis-bin","binary_version":"3.20.0-2ubuntu0.1"},{"binary_name":"liblouis-data","binary_version":"3.20.0-2ubuntu0.1"},{"binary_name":"liblouis20","binary_version":"3.20.0-2ubuntu0.1"},{"binary_name":"python3-louis","binary_version":"3.20.0-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-31783.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}