GHSA-PRG7-HCFM-MFCR sqlparse: Inefficient Regex Handling of Dollar-Quoted SQL Literals Leads to ReDoS (Denial of Service)

Summary sqlparse contains a Regular Expression Denial of Service ReDoS vulnerability in its dollar-quoted SQL literal lexer. The regex pattern at sqlparse/keywords.py:33 uses a backreference \1 to match closing dollar-quote delimiters, causing On² CPU complexity when processing inputs containing...