Puma HTTP Request/Response Smuggling vulnerability
ImpactPrior to version 6.3.1, puma exhibited incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers in a way that allowed HTTP request smuggling.The following vulnerabilities are addressed by this advisory:Incorrect parsing of trailing fields in chunked transfer encoding bodiesParsing of blank/zero-length Content-Length headersPatchesThe vulnerability has been fixed in 6.3.1 and 5.6.7.WorkaroundsNo known workarounds.References[HTTP Request Smuggling](https://portswigger.net/web-security/request-smuggling)For more informationIf you have any questions or comments about this advisory:Open an issue in [Puma](https://github.com/puma/puma)
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