Fix: Potential Vulnerability in Cloned Function #1325
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Duplicate `Transfer-Encoding` header should be a treated as a single, but with original header values concatenated with a comma separator. In the light of this, even if the past `Transfer-Encoding` ended with `chunked`, we should be not let the `F_CHUNKED` to leak into the next header, because mere presence of another header indicates that `chunked` is not the last transfer-encoding token. CVE-ID: CVE-2020-8287 PR-URL: nodejs-private/node-private#235 Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
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Description
This PR fixes a security vulnerability in http_parser_execute() that was cloned from node but did not receive the security patch. The original issue was reported and fixed under nodejs/node@fc70ce0.
This PR applies the same patch to eliminate the vulnerability.
References
https://nvd.nist.gov/vuln/detail/CVE-2020-8287
nodejs/node@fc70ce0