CVE-2019-9937

Publication date 22 March 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c. This is related to ext/fts5/fts5_hash.c and ext/fts5/fts5_index.c.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
sqlite3	19.04 disco	Not affected
	18.10 cosmic	Fixed 3.24.0-1ubuntu0.1
	18.04 LTS bionic	Fixed 3.22.0-1ubuntu0.1
	16.04 LTS xenial	Fixed 3.11.0-1ubuntu1.2
	14.04 LTS trusty	Not affected

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4019-1
SQLite vulnerabilities
19 June 2019