- Fix CVE-2021-22959: Reject HTTP headers with a space before the colon to prevent request smuggling.
- Fix CVE-2021-22960: Correctly parse chunk extensions in chunked bodies to close smuggling gap.
- Update llhttp to 2.1.4 and add regression tests for content‑length and chunked smuggling.
2021-10-12, Version 12.22.7 'Erbium' (LTS), @danielleadams
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Added crypto STORE loader support for loading private keys and updated root certificates to NSS 3.125, including Argon2 and FIPS‑mode fixes
Added new APIs: ffi.getCurrentEventLoop, test runner context.log() with test:log event, and pattern cache for matchGlobPattern() (SEMVER MINOR).
Added new APIs such as `buffer.blob.textStream()`, experimental ESM `import text` flag, `ReadableStreamTee`, and synchronous dgram socket methods (`connectSync`, `bindSync`).