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Vulnerability record · CVE-2019-19923 · published 24 December 2019

CVE-2019-19923: Sqlite null pointer dereference vulnerability

Sqlite · Sqlite

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).

7.5 CVSS 3.1 High EPSS 6.8% · top 6.2% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score, v2 5.0
6.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
11Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

Description

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).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

11 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0514 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf PatchThird Party Advisory
https://github.com/sqlite/sqlite/commit/396afe6f6aa90a31303c183e11b2b2d4b7956b35 Patch
https://security.netapp.com/advisory/ntap-20200114-0003/ Third Party Advisory
https://usn.ubuntu.com/4298-1/ Broken Link
https://www.debian.org/security/2020/dsa-4638 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html PatchThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0514 Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf PatchThird Party Advisory
https://github.com/sqlite/sqlite/commit/396afe6f6aa90a31303c183e11b2b2d4b7956b35 Patch
https://security.netapp.com/advisory/ntap-20200114-0003/ Third Party Advisory
https://usn.ubuntu.com/4298-1/ Broken Link
https://www.debian.org/security/2020/dsa-4638 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-19923), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.