
CVE-2023-30608 – Parser contains an inefficient regular expression in sqlparse
https://notcve.org/view.php?id=CVE-2023-30608
18 Apr 2023 — 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`. • https://github.com/andialbrecht/sqlparse/commit/c457abd5f097dd13fb21543381e7cfafe7d31cfb • CWE-1333: Inefficient Regular Expression Complexity •

CVE-2021-32839 – Regular Expression Denial of Service in sqlparse
https://notcve.org/view.php?id=CVE-2021-32839
20 Sep 2021 — sqlparse is a non-validating SQL parser module for Python. In sqlparse versions 0.4.0 and 0.4.1 there is a regular Expression Denial of Service in sqlparse vulnerability. The regular expression may cause exponential backtracking on strings containing many repetitions of '\r\n' in SQL comments. Only the formatting feature that removes comments from SQL statements is affected by this regular expression. As a workaround don't use the sqlformat.format function with keyword strip_comments=True or the --strip-com... • https://github.com/andialbrecht/sqlparse/commit/8238a9e450ed1524e40cb3a8b0b3c00606903aeb • CWE-400: Uncontrolled Resource Consumption •