CVE-2023-30608

5.5 MEDIUM
Published: April 18, 2023 Modified: November 03, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2
Source: security-advisories@github.com
Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00017.html
Source: security-advisories@github.com
Mailing List Third Party Advisory
https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS
Source: security-advisories@github.com
Technical Description
https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00017.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS
Source: af854a3a-2127-422b-91ae-364da2661108
Technical Description

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
1.2%
79th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

sqlparse_project debian