CVE-2023-30608
Parser contains an inefficient regular expression in sqlparse
- State
- Published
- Severity
- 5.5 Medium
- Published
- Apr 18, 2023
- Updated
- Nov 3, 2025
- Reserved
- Apr 13, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | GitHub_M |
Weaknesses
- CWE-1333 Inefficient Regular Expression Complexity
Affected Products
| Product | Versions |
|---|---|
sqlparseandialbrecht |
|
References
- https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2
- https://github.com/andialbrecht/sqlparse/commit/c457abd5f097dd13fb21543381e7cfafe7d31cfb
- https://github.com/andialbrecht/sqlparse/commit/e75e35869473832a1eb67772b1adfee2db11b85a
- https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS
- https://lists.debian.org/debian-lts-announce/2023/05/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/12/msg00022.html
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