Description
Fast-csv is an npm package for parsing and formatting CSVs or any other delimited value file in node. In fast-cvs before version 4.3.6 there is a possible ReDoS vulnerability (Regular Expression Denial of Service) when using ignoreEmpty option when parsing. This has been patched in `v4.3.6` You will only be affected by this if you use the `ignoreEmpty` parsing option. If you do use this option it is recommended that you upgrade to the latest version `v4.3.6` This vulnerability was found using a CodeQL query which identified `EMPTY_ROW_REGEXP` regular expression as vulnerable.
Remediation
References
https://github.com/C2FO/fast-csv/commit/4bbd39f26a8cd7382151ab4f5fb102234b2f829e
https://github.com/C2FO/fast-csv/issues/540
https://github.com/C2FO/fast-csv/security/advisories/GHSA-8cv5-p934-3hwp
https://lgtm.com/query/8609731774537641779/
https://www.npmjs.com/package/%40fast-csv/parse
https://www.npmjs.com/package/fast-csv
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