{"id":"UBUNTU-CVE-2018-20506","details":"SQLite before 3.25.3, when the FTS3 extension is enabled, encounters an integer overflow (and resultant buffer overflow) for FTS3 queries in a \"merge\" operation that occurs after crafted changes to FTS3 shadow tables, allowing remote attackers to execute arbitrary code by leveraging the ability to run arbitrary SQL statements (such as in certain WebSQL use cases). This is a different vulnerability than CVE-2018-20346.","modified":"2026-04-22T13:04:56.741559Z","published":"2019-04-03T00:00:00Z","related":["USN-4019-1","USN-4019-2"],"upstream":["CVE-2018-20506"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20506"},{"type":"REPORT","url":"https://sqlite.org/src/info/940f2adc8541a838"},{"type":"REPORT","url":"http://seclists.org/fulldisclosure/2019/Jan/62"},{"type":"REPORT","url":"http://seclists.org/fulldisclosure/2019/Jan/64"},{"type":"REPORT","url":"http://seclists.org/fulldisclosure/2019/Jan/66"},{"type":"REPORT","url":"http://seclists.org/fulldisclosure/2019/Jan/67"},{"type":"REPORT","url":"http://seclists.org/fulldisclosure/2019/Jan/68"},{"type":"REPORT","url":"http://seclists.org/fulldisclosure/2019/Jan/69"},{"type":"REPORT","url":"https://seclists.org/bugtraq/2019/Jan/28"},{"type":"REPORT","url":"https://seclists.org/bugtraq/2019/Jan/29"},{"type":"REPORT","url":"https://seclists.org/bugtraq/2019/Jan/31"},{"type":"REPORT","url":"https://seclists.org/bugtraq/2019/Jan/32"},{"type":"REPORT","url":"https://seclists.org/bugtraq/2019/Jan/33"},{"type":"REPORT","url":"https://seclists.org/bugtraq/2019/Jan/39"},{"type":"REPORT","url":"https://support.apple.com/kb/HT209443"},{"type":"REPORT","url":"https://support.apple.com/kb/HT209446"},{"type":"REPORT","url":"https://support.apple.com/kb/HT209447"},{"type":"REPORT","url":"https://support.apple.com/kb/HT209448"},{"type":"REPORT","url":"https://support.apple.com/kb/HT209450"},{"type":"REPORT","url":"https://support.apple.com/kb/HT209451"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4019-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4019-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-20506"}],"affected":[{"package":{"name":"sqlite3","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/sqlite3@3.8.2-1ubuntu2.2+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.2-1ubuntu2.2+esm1"}]}],"versions":["3.7.17-1ubuntu1","3.8.0.2-1ubuntu1","3.8.1-1ubuntu1","3.8.1-1ubuntu3","3.8.2-1ubuntu1","3.8.2-1ubuntu2","3.8.2-1ubuntu2.1","3.8.2-1ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.8.2-1ubuntu2.2+esm1","binary_name":"lemon"},{"binary_version":"3.8.2-1ubuntu2.2+esm1","binary_name":"libsqlite3-0"},{"binary_version":"3.8.2-1ubuntu2.2+esm1","binary_name":"libsqlite3-tcl"},{"binary_version":"3.8.2-1ubuntu2.2+esm1","binary_name":"sqlite3"}],"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-2018-20506.json"}},{"package":{"name":"sqlite3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/sqlite3@3.11.0-1ubuntu1.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.0-1ubuntu1.2"}]}],"versions":["3.8.11.1-1","3.9.1-2","3.9.2-1","3.10.0-1","3.10.1-1","3.10.2-1","3.11.0-1ubuntu1","3.11.0-1ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.11.0-1ubuntu1.2","binary_name":"lemon"},{"binary_version":"3.11.0-1ubuntu1.2","binary_name":"libsqlite3-0"},{"binary_version":"3.11.0-1ubuntu1.2","binary_name":"libsqlite3-tcl"},{"binary_version":"3.11.0-1ubuntu1.2","binary_name":"sqlite3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20506.json"}},{"package":{"name":"sqlite3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/sqlite3@3.22.0-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-1ubuntu0.1"}]}],"versions":["3.19.3-3","3.20.1-2","3.21.0-1","3.22.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.22.0-1ubuntu0.1","binary_name":"lemon"},{"binary_version":"3.22.0-1ubuntu0.1","binary_name":"libsqlite3-0"},{"binary_version":"3.22.0-1ubuntu0.1","binary_name":"libsqlite3-tcl"},{"binary_version":"3.22.0-1ubuntu0.1","binary_name":"sqlite3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20506.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}