NULL Pointer Dereference

Affecting sqlite3 package, versions <3.27.2-3+deb10u1

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Overview

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).

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2019-19923
CWE
CWE-476
Snyk ID
SNYK-DEBIAN10-SQLITE3-539773
Disclosed
24 Dec, 2019
Published
24 Dec, 2019