{"id":"UBUNTU-CVE-2018-20430","details":"GNU Libextractor through 1.8 has an out-of-bounds read vulnerability in the function history_extract() in plugins/ole2_extractor.c, related to EXTRACTOR_common_convert_to_utf8 in common/convert.c.","modified":"2026-04-22T13:04:36.679357Z","published":"2018-12-24T05:29:00Z","related":["USN-4641-1"],"upstream":["CVE-2018-20430"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20430"},{"type":"REPORT","url":"https://gnunet.org/bugs/view.php?id=5493"},{"type":"REPORT","url":"https://gnunet.org/git/libextractor.git/commit/?id=b405d707b36e0654900cba78e89f49779efea110"},{"type":"REPORT","url":"https://gnunet.org/git/libextractor.git/tree/ChangeLog"},{"type":"REPORT","url":"https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4641-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-20430"}],"affected":[{"package":{"name":"libextractor","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libextractor@1:1.3-1ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.3-1ubuntu0.1~esm1"}]}],"versions":["1:1.1-1ubuntu1","1:1.2-1ubuntu1","1:1.3-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.3-1ubuntu0.1~esm1","binary_name":"extract"},{"binary_version":"1:1.3-1ubuntu0.1~esm1","binary_name":"libextractor3"}],"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/2018/UBUNTU-CVE-2018-20430.json"}},{"package":{"name":"libextractor","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libextractor@1:1.3-4+deb9u3build0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.3-4+deb9u3build0.16.04.1"}]}],"versions":["1:1.3-2build1","1:1.3-2ubuntu1","1:1.3-3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.3-4+deb9u3build0.16.04.1","binary_name":"extract"},{"binary_version":"1:1.3-4+deb9u3build0.16.04.1","binary_name":"libextractor3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20430.json"}},{"package":{"name":"libextractor","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libextractor@1:1.6-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.3-4build3","1:1.6-1","1:1.6-1build1","1:1.6-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.6-2","binary_name":"extract"},{"binary_version":"1:1.6-2","binary_name":"libextractor3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20430.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}