{"id":"CVE-2019-19923","details":"flattenSubquery in select.c in SQLite 3.30.1 mishandles certain uses of SELECT DISTINCT involving a LEFT JOIN in which the right-hand side is a view. This can cause a NULL pointer dereference (or incorrect results).","modified":"2026-04-16T04:34:01.190850898Z","published":"2019-12-24T16:15:11.260Z","related":["SUSE-SU-2021:2320-1","SUSE-SU-2021:3215-1","openSUSE-SU-2020:0189-1","openSUSE-SU-2020:0210-1","openSUSE-SU-2020:0233-1","openSUSE-SU-2021:1058-1","openSUSE-SU-2021:2320-1","openSUSE-SU-2024:10681-1","openSUSE-SU-2024:12948-1"],"references":[{"type":"WEB","url":"https://usn.ubuntu.com/4298-1/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200114-0003/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2020:0514"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4638"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html"},{"type":"FIX","url":"https://github.com/sqlite/sqlite/commit/396afe6f6aa90a31303c183e11b2b2d4b7956b35"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2020.html"},{"type":"FIX","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/sqlite/sqlite","events":[{"introduced":"0"},{"last_affected":"25e9591209453dc0904f8f0f1c4d5090c836e19b"},{"fixed":"396afe6f6aa90a31303c183e11b2b2d4b7956b35"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.30.1"}]}}],"versions":["version-1.0","version-1.0.1","version-1.0.10","version-1.0.12","version-1.0.13","version-1.0.14","version-1.0.15","version-1.0.16","version-1.0.17","version-1.0.18","version-1.0.19","version-1.0.20","version-1.0.21","version-1.0.22","version-1.0.23","version-1.0.24","version-1.0.25","version-1.0.26","version-1.0.27","version-1.0.28","version-1.0.29","version-1.0.3","version-1.0.30","version-1.0.31","version-1.0.32","version-1.0.4","version-1.0.5","version-1.0.8","version-1.0.9","version-2.0.0","version-2.0.1","version-2.0.2","version-2.0.3","version-2.0.4","version-2.0.5","version-2.0.6","version-2.0.7","version-2.0.8","version-2.1.0","version-2.1.1","version-2.1.2","version-2.1.3","version-2.1.4","version-2.1.5","version-2.1.6","version-2.1.7","version-2.2.0","version-2.2.1","version-2.2.2","version-2.2.3","version-2.2.4","version-2.2.5","version-2.3.0","version-2.3.1","version-2.3.2","version-2.3.3","version-2.4.0","version-2.4.1","version-2.4.10","version-2.4.11","version-2.4.12","version-2.4.2","version-2.4.3","version-2.4.4","version-2.4.5","version-2.4.6","version-2.4.7","version-2.4.8","version-2.4.9","version-2.5.0","version-2.5.1","version-2.5.2","version-2.5.3","version-2.5.4","version-2.5.5","version-2.5.6","version-2.6.0","version-2.6.1","version-2.6.2","version-2.6.3","version-2.7.0","version-2.7.1","version-2.7.2","version-2.7.3","version-2.7.4","version-2.7.5","version-2.7.6","version-2.8.0","version-2.8.1","version-2.8.10","version-2.8.11","version-2.8.12","version-2.8.13","version-2.8.2","version-2.8.3","version-2.8.4","version-2.8.5","version-2.8.6","version-2.8.7","version-2.8.8","version-2.8.9","version-3.0.0","version-3.0.1","version-3.0.2","version-3.0.3","version-3.0.4","version-3.0.5","version-3.0.6","version-3.0.7","version-3.0.8","version-3.1.0","version-3.1.1","version-3.1.2","version-3.1.3","version-3.1.3.1","version-3.1.4","version-3.1.5","version-3.1.6","version-3.10.0","version-3.11.0","version-3.12.0","version-3.13.0","version-3.14.0","version-3.15.0","version-3.16.0","version-3.2.0","version-3.2.1","version-3.2.2","version-3.2.3","version-3.2.4","version-3.2.5","version-3.2.6","version-3.2.7","version-3.22.0","version-3.23.0","version-3.23.1","version-3.24.0","version-3.25.0","version-3.26.0","version-3.27.0","version-3.28.0","version-3.29.0","version-3.3.0","version-3.3.1","version-3.3.10","version-3.3.11","version-3.3.12","version-3.3.13","version-3.3.14","version-3.3.15","version-3.3.16","version-3.3.17","version-3.3.2","version-3.3.3","version-3.3.4","version-3.3.5","version-3.3.6","version-3.3.7","version-3.3.8","version-3.3.9","version-3.30.0","version-3.30.1","version-3.4.0","version-3.4.1","version-3.4.2","version-3.5.0","version-3.5.1","version-3.5.2","version-3.5.3","version-3.5.4","version-3.5.5","version-3.5.6","version-3.5.7","version-3.5.8","version-3.5.9","version-3.6.0","version-3.6.1","version-3.6.10","version-3.6.11","version-3.6.12","version-3.6.13","version-3.6.14","version-3.6.15","version-3.6.16","version-3.6.17","version-3.6.18","version-3.6.19","version-3.6.2","version-3.6.20","version-3.6.21","version-3.6.22","version-3.6.23","version-3.6.3","version-3.6.4","version-3.6.5","version-3.6.6","version-3.6.7","version-3.6.8","version-3.6.9","version-3.7.0","version-3.7.1","version-3.7.10","version-3.7.11","version-3.7.12","version-3.7.12.1","version-3.7.13","version-3.7.14","version-3.7.15","version-3.7.16","version-3.7.16.1","version-3.7.17","version-3.7.2","version-3.7.3","version-3.7.4","version-3.7.5","version-3.7.6","version-3.7.6.1","version-3.7.7","version-3.7.8","version-3.7.9","version-3.8.0","version-3.8.1","version-3.8.10","version-3.8.10.1","version-3.8.11","version-3.8.11.1","version-3.8.2","version-3.8.3","version-3.8.4","version-3.8.4.1","version-3.8.5","version-3.8.6","version-3.8.7","version-3.8.8","version-3.8.9","version-3.9.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19923.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"1.0.1.1"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0.19"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.0-sp1"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]}],"vanir_signatures":[{"signature_version":"v1","digest":{"length":5590,"function_hash":"330814732743507439986540557302774929713"},"target":{"file":"src/select.c","function":"flattenSubquery"},"deprecated":false,"source":"https://github.com/sqlite/sqlite/commit/396afe6f6aa90a31303c183e11b2b2d4b7956b35","id":"CVE-2019-19923-134f638b","signature_type":"Function"},{"signature_version":"v1","id":"CVE-2019-19923-5fb5e80f","target":{"file":"src/select.c"},"digest":{"line_hashes":["18104233075719913524635092338994927414","231876987339024958742979482512986350232","160277624447613318640615005514603846097","8615964068487288384404672935273546870","158745051547251140066162530979138522345","183413588476470140403235573409063477251","275703712529451719009097609695050452259"],"threshold":0.9},"deprecated":false,"source":"https://github.com/sqlite/sqlite/commit/396afe6f6aa90a31303c183e11b2b2d4b7956b35","signature_type":"Line"}],"vanir_signatures_modified":"2026-04-11T09:39:50Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}