CVE-2023-30608

Name: CVE-2023-30608
Creator: NVD / NIST
Published: 2023-04-18T22:15:08.267+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.98%

Last modified Jun 17, 2026

CVE-2023-30608 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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). EPSS estimates a 0.98% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.98%

57.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sqlparse Project	Sqlparse	>= 0.1.15, < 0.4.4
Debian	Debian Linux	10.0

References

https://github.com/andialbrecht/sqlparse/commit/c457abd5f097dd13fb21543381e7cfafe7d31cfbPatch
https://github.com/andialbrecht/sqlparse/commit/e75e35869473832a1eb67772b1adfee2db11b85aPatch
https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00017.htmlMailing List, Third Party Advisory
https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoSTechnical Description
https://github.com/andialbrecht/sqlparse/commit/c457abd5f097dd13fb21543381e7cfafe7d31cfbPatch
https://github.com/andialbrecht/sqlparse/commit/e75e35869473832a1eb67772b1adfee2db11b85aPatch
https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00017.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/12/msg00022.html
https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoSTechnical Description

Timeline

Published: Apr 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-30608?

How severe is CVE-2023-30608?

CVE-2023-30608 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.

How do I fix CVE-2023-30608?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30608?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST