CVE-2023-30608

Publication date 18 April 2023

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

sqlparse is a non-validating SQL parser module for Python. In affected versions the SQL parser contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service). This issue was introduced by commit `e75e358`. The vulnerability may lead to Denial of Service (DoS). This issues has been fixed in sqlparse 0.4.4 by commit `c457abd5f`. Users are advised to upgrade. There are no known workarounds for this issue.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
sqlparse	23.04 lunar	Fixed 0.4.2-1ubuntu0.23.04.1
	22.10 kinetic	Fixed 0.4.2-1ubuntu0.22.10.1
	22.04 LTS jammy	Fixed 0.4.2-1ubuntu0.22.04.1
	20.04 LTS focal	Fixed 0.2.4-3ubuntu0.1
	18.04 LTS bionic	Fixed 0.2.4-0.1ubuntu0.1
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Ignored end of standard support

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
sqlparse	Upstream: c457abd Upstream: e75e358

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-6064-1
SQL parse vulnerability
10 May 2023