Update dependency sqlparse to v0.4.2 [SECURITY] - abandoned

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sqlparse (changelog)	==0.4.1 -> ==0.4.2

GitHub Vulnerability Alerts

CVE-2021-32839

Impact

The formatter function that strips comments from a SQL contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service). The regular expression may cause exponential backtracking on strings containing many repetitions of '\r\n' in SQL comments.

Patches

The issues has been fixed in sqlparse 0.4.2.

Workarounds

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-comments command line flag when using the sqlformat command line tool.

References

This issue was discovered by GitHub team members @​erik-krogh and @​yoff. It was found using a CodeQL query which identifies inefficient regular expressions. You can see the results of the query on python-sqlparse by following this link.

For more information

If you have any questions or comments about this advisory:

• Open an issue in sqlparse issue tracker
• Email us at [email protected]

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Release Notes

andialbrecht/sqlparse

v0.4.2

Compare Source

Notable Changes

• IMPORTANT: This release fixes a security vulnerability in the
  strip comments filter. In this filter a regular expression that was
  vulnerable to ReDOS (Regular Expression Denial of Service) was
  used. See the security advisory for details: GHSA-p5w8-wqhj-9hhf
  The vulnerability was discovered by @​erik-krogh and @​yoff from
  GitHub Security Lab (GHSL). Thanks for reporting!

Enhancements

• Add ELSIF as keyword (issue584).
• Add CONFLICT and ON_ERROR_STOP keywords (pr595, by j-martin).

Bug Fixes

• Fix parsing of backticks (issue588).
• Fix parsing of scientific number (issue399).

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