CVE-2023-30608— Parser contains an inefficient regular expression in sqlparse
Quick assessment
Affected
andialbrecht sqlparse
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
sqlparse是 Python 的非验证 SQL 解析器。它提供对 SQL 语句的解析、拆分和格式化的支持。 sqlparse 0.1.15版本及之后版本存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-30608
Vulnerability Information
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Vulnerability Title
Parser contains an inefficient regular expression in sqlparse
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
sqlparse 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sqlparse是 Python 的非验证 SQL 解析器。它提供对 SQL 语句的解析、拆分和格式化的支持。 sqlparse 0.1.15版本及之后版本存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| andialbrecht | sqlparse | >= 0.1.15, < 0.4.4 | - |
|
II. Public POCs for CVE-2023-30608
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2023-30608 (2)
Vendor Advisories for CVE-2023-30608 (1)
-
https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-rrm6-wvj7-cwh2 x_refsource_CONFIRM
News Coverage for CVE-2023-30608 (1)
IV. Related Vulnerabilities
Same product: sqlparse
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CVE-2026-84305
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CVE-2026-54284
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CVE-2026-71491
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CVE-2026-59894
sqlparse: Generated Python and PHP snippets allow SQL string
Same vendor: andialbrecht
-
CVE-2026-84305
sqlparse: Reindentation of tuple lists causes near-cap quadr -
CVE-2026-54284
sqlparse: TokenList.__init__ materializes O(subtree) value p -
CVE-2026-59893
sqlparse: Inefficient Regex Handling of Dollar-Quoted SQL Li -
CVE-2026-71491
sqlparse: Quadratic O(n²) DoS in group_comments -
CVE-2026-59894
sqlparse: Generated Python and PHP snippets allow SQL string
Same weakness: CWE-1333
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V. Comments for CVE-2023-30608
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