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Node.js 21.0.0 release

Type: patchSource: Node.js announcements1 source record

Node.js 21.0.0 includes stricter HTTP parsing defaults that the announcement says enhance security, including mandatory CRLF after headers and chunks and rejecting data after a message with the Connection: close header. The --insecure-http-parser flag can disable these changes.

Announced Source revision 1
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nodejs

Primary source · Revision 1

These are machine-extracted claims. Quotations show the recorded source text; verify the original announcement before acting.

Security context

With the latest update, all settings that were previously included in strict mode are enabled by default, enhancing code reliability and security.

Node.js

Node.js 21 is now available!
Affected versions
Not stated in this extraction
Fixed versions
Node.js 21.0.0
To download Node.js 21.0.0, visit:
Prerequisites
Not stated in this extraction

Publisher severity

No explicit severity was extracted.

Event
#26182 · Revision 1
Added to Heist Feed
Publisher date
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