CVE-2026-119187: Forge: Denial of service in TLS record processing via call stack exhaustion

October 30, 2026

Connections created with forge.tls.createConnection() processed received TLS records recursively, one stack level per record. A peer can send one chunk of thousands of small records, such as heartbeat records, which are accepted before the handshake, and process() throws RangeError: Maximum call stack size exceeded, which terminates Node.js processes that use the documented socket wiring. Fixed in node-forge 1.4.1.

References

github.com/advisories/GHSA-hqq3-7jhf-c5jx
github.com/digitalbazaar/forge/commit/817e2ce0d0f6d8a25bc9c2670615c38a9ffdc51c
github.com/digitalbazaar/forge/releases/tag/v1.4.1
github.com/digitalbazaar/forge/security/advisories/GHSA-hqq3-7jhf-c5jx
nvd.nist.gov/vuln/detail/CVE-2026-119187

Code Behaviors & Features

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