NODEJS-24.22.3 release notes and known issues

Summary

This is a security release. Notable Changes ( CVE-2026-123863 ) http2: release headers when a stream is removed (Matteo Collina) – High ( CVE-2026-123864 ) tls,http: prevent nested parser execution from empty writes (Matteo Collina) – High ( CVE-2026-123865 ) http2: detect streams abandoned by nghttp2 (Matteo Collina) – High ( CVE-2026-123866 ) http2: retain buffers until socket writes finish (Matteo Collina) – High ( CVE-2026-123872 ) tls: disable resumption for mTLS with no session id context (Tim Perry) – High ( CVE-2026-123872 ) tls: don't allow renegotiation or HRR to change SNI (Tim Perry) – High ( CVE-2026-123872 ) tls: don't allow TLS resumption to change SNI (Tim Perry) – High ( CVE-2026-123874 ) http2: retain streams during pending writes (Matteo Collina) – High ( CVE-2026-126051 ) tls: fix remotely reachable TLS server crash (Tim Perry) – High ( CVE-2026-123828 ) http2: avoid overflowing ALTSVC buffers (Matteo Collina) – Medium ( CVE-2026-123867 ) tls: apply the CA of SNI contexts without a certificate (Matteo Collina) – Medium ( CVE-2026-123868 ) http2: charge inbound DATA retained by streams to maxSessionMemory (Matteo Collina) – Medium ( CVE-2026-123871 ) http: redact proxy credentials in invalid proxy URL errors (Matteo Collina) – Medium ( CVE-2026-123875 ) http2: guard against null write request on cancelled stream (Matteo Collina) – Medium ( CVE-2026-123877 ) https: isolate Agent TLS policy keys (Matteo Collina) – Medium ( CVE-2026-123829 ) permission: do not leak denied descendants in recursive fs.watch (RafaelGSS) – Low ( CVE-2026-123862 ) zlib: handle params callback after destroy (Matteo Collina) – Low (CVE-2026-123873) permission: check heap snapshot destination (RafaelGSS) – Low deps: update brotli to 1.2.1 (Node.js GitHub Bot) deps: update llhttp to 9.4.4 (Antoine du Hamel) deps: update sqlite to 3.54.1 (Node.js GitHub Bot) deps: update undici to 7.30.2 (Node.js GitHub Bot) Commits [ 4c12b8a775 ] - build : respect OpenSSL's configured API level (Filip Skokan) #66953 [ 5654932a7d ] - crypto : fix builds with older OpenSSL 3.0 (Filip Skokan) #66931 [ e88009c61c ] - deps : brotli: cherry-pick e230f474b87 (liujiahui) #61003 [ 92e8d82e0e ] - deps : update llhttp to 9.4.4 (Antoine du Hamel) nodejs-private/node-private#1038 [ 4164b5c2b4 ] - deps : update brotli to 1.2.1 (Node.js GitHub Bot) #66990 [ 4fec855b1d ] - deps : update sqlite to 3.54.1 (Node.js GitHub Bot) #66816 [ 17c9eb75f3 ] - deps : update sqlite to 3.54.0 (Node.js GitHub Bot) #66663 [ 57ebbdc275 ] - deps : update undici to 7.30.2 (Node.js GitHub Bot) #67273 [ 8749030ae5 ] - http : redact proxy credentials in invalid proxy URL errors (Matteo Collina) nodejs-private/node-private#1001 [ 8e100ac90a ] - http2 : retain streams during pending writes (Matteo Collina) nodejs-private/node-private#1040 [ 03f040685b ] - http2 : charge inbound DATA retained by streams to maxSessionMemory (Matteo Collina) nodejs-private/node-private#1000 [ 7be19aa614 ] - http2 : retain buffers until socket writes finish (Matteo Collina) nodejs-private/node-private#1017 [ ff8938913b ] - http2 : release headers when a stream is removed (Matteo Collina) nodejs-private/node-private#1026 [ ae9ab37d62 ] - http2 : avoid overflowing ALTSVC buffers (Matteo Collina) nodejs-private/node-private#1035 [ a081fd3a3e ] - http2 : detect streams abandoned by nghttp2 (Matteo Collina) #66641 [ 22f4367981 ] - http2 : guard against null write request on cancelled stream (Matteo Collina) #67252 [ 4f60230182 ] - https : isolate Agent TLS policy keys (Matteo Collina) nodejs-private/node-private#1036 [ fdbc6ab7ac ] - permission : do not leak denied descendants in recursive fs.watch (RafaelGSS) nodejs-private/node-private#967 [ d13a284de6 ] - src : fix the fs permission tree node on wildcard nodes (James M Snell) nodejs-private/node-private#986 [ c3485f2417 ] - tls : fix remotely reachable TLS server crash (Tim Perry) nodejs-private/node-private#1018 [ 599ca08e28 ] - tls : disable resumption for mTLS wi

Improvements and security content

• This is a security release. Notable Changes ( CVE-2026-123863 ) http2: release headers when a stream is removed (Matteo Collina) – High ( CVE-2026-123864 ) tls,http: prevent nested parser execution from empty writes (Matteo Collina) – High ( CVE-2026-123865 ) http2: detect streams abandoned by nghttp2 (Matteo Collina) – High ( CVE-2026-123866 ) http2: retain buffers until socket writes finish (Matteo Collina) – High ( CVE-2026-123872 ) tls: disable resumption for mTLS with no session id context (Tim Perry) – High ( CVE-2026-123872 ) tls: don't allow renegotiation or HRR to change SNI (Tim Perry) – High ( CVE-2026-123872 ) tls: don't allow TLS resumption to change SNI (Tim Perry) – High ( CVE-2026-123874 ) http2: retain streams during pending writes (Matteo Collina) – High ( CVE-2026-126051 ) tls: fix remotely reachable TLS server crash (Tim Perry) – High ( CVE-2026-123828 ) http2: avoid overflowing ALTSVC buffers (Matteo Collina) – Medium ( CVE-2026-123867 ) tls: apply the CA of SNI contexts without a certificate (Matteo Collina) – Medium ( CVE-2026-123868 ) http2: charge inbound DATA retained by streams to maxSessionMemory (Matteo Collina) – Medium ( CVE-2026-123871 ) http: redact proxy credentials in invalid proxy URL errors (Matteo Collina) – Medium ( CVE-2026-123875 ) http2: guard against null write request on cancelled stream (Matteo Collina) – Medium ( CVE-2026-123877 ) https: isolate Agent TLS policy keys (Matteo Collina) – Medium ( CVE-2026-123829 ) permission: do not leak denied descendants in recursive fs.watch (RafaelGSS) – Low ( CVE-2026-123862 ) zlib: handle params callback after destroy (Matteo Collina) – Low (CVE-2026-123873) permission: check heap snapshot destination (RafaelGSS) – Low deps: update brotli to 1.2.1 (Node.js GitHub Bot) deps: update llhttp to 9.4.4 (Antoine du Hamel) deps: update sqlite to 3.54.1 (Node.js GitHub Bot) deps: update undici to 7.30.2 (Node.js GitHub Bot) Commits [ 4c12b8a775 ] - build : respect OpenSSL's configured API level (Filip Skokan) #66953 [ 5654932a7d ] - crypto : fix builds with older OpenSSL 3.0 (Filip Skokan) #66931 [ e88009c61c ] - deps : brotli: cherry-pick e230f474b87 (liujiahui) #61003 [ 92e8d82e0e ] - deps : update llhttp to 9.4.4 (Antoine du Hamel) nodejs-private/node-private#1038 [ 4164b5c2b4 ] - deps : update brotli to 1.2.1 (Node.js GitHub Bot) #66990 [ 4fec855b1d ] - deps : update sqlite to 3.54.1 (Node.js GitHub Bot) #66816 [ 17c9eb75f3 ] - deps : update sqlite to 3.54.0 (Node.js GitHub Bot) #66663 [ 57ebbdc275 ] - deps : update undici to 7.30.2 (Node.js GitHub Bot) #67273 [ 8749030ae5 ] - http : redact proxy credentials in invalid proxy URL errors (Matteo Collina) nodejs-private/node-private#1001 [ 8e100ac90a ] - http2 : retain streams during pending writes (Matteo Collina) nodejs-private/node-private#1040 [ 03f040685b ] - http2 : charge inbound DATA retained by streams to maxSessionMemory (Matteo Collina) nodejs-private/node-private#1000 [ 7be19aa614 ] - http2 : retain buffers until socket writes finish (Matteo Collina) nodejs-private/node-private#1017 [ ff8938913b ] - http2 : release headers when a stream is removed (Matteo Collina) nodejs-private/node-private#1026 [ ae9ab37d62 ] - http2 : avoid overflowing ALTSVC buffers (Matteo Collina) nodejs-private/node-private#1035 [ a081fd3a3e ] - http2 : detect streams abandoned by nghttp2 (Matteo Collina) #66641 [ 22f4367981 ] - http2 : guard against null write request on cancelled stream (Matteo Collina) #67252 [ 4f60230182 ] - https : isolate Agent TLS policy keys (Matteo Collina) nodejs-private/node-private#1036 [ fdbc6ab7ac ] - permission : do not leak denied descendants in recursive fs.watch (RafaelGSS) nodejs-private/node-private#967 [ d13a284de6 ] - src : fix the fs permission tree node on wildcard nodes (James M Snell) nodejs-private/node-private#986 [ c3485f2417 ] - tls : fix remotely reachable TLS server crash (Tim Perry) nodejs-private/node-private#1018 [ 599ca08e28 ] - tls : disable resumption for mTLS wi

Affected products and versions

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