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CVE-2026-59893: Sqlparse Dollar Quote Backref Redoscve-2026-59893-sqlparse-dollar-quote-backref-redos

Matching dollar-quoted strings or dynamic delimiters using a lazy dot-all regex with a backreference (e.g. `\$...[\s\S]*?\1`) leads to quadratic time complexity (ReDoS) when applied over unmatched delimiters. Use a linear, single-pass delimiter-resolution algorithm instead.

PythonCVE-2026-59893CWE-1333CWE-400
by Provallyupdated 2026-09-02Apache-2.0
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