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GHSA-rrm6-wvj7-cwh2: sqlparse contains a regular expression that is vulnerable to Regular Expression Denial of Service

Impact

The SQL parser contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service). The vulnerability may lead to Denial of Service (DoS).

Patches

This issues has been fixed in sqlparse 0.4.4.

Workarounds

None.

References

This issue was discovered and reported by GHSL team member @erik-krogh (Erik Krogh Kristensen).

  • Commit that introduced the vulnerability: e75e35869473832a1eb67772b1adfee2db11b85a
ghsa
#sql#vulnerability#dos#git

sqlparse contains a regular expression that is vulnerable to Regular Expression Denial of Service

Moderate severity GitHub Reviewed Published Apr 18, 2023 in andialbrecht/sqlparse • Updated Apr 21, 2023

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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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