CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

CVE-2026-21637

A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or ALPNCallback are in use. Synchronous exceptions thrown during these callbacks bypass standard TLS error handling paths tlsClientError and error, causing either immediate...

PT-2025-54579

Name of the Vulnerable Software and Affected Versions Node.js version 24 Description A memory leak exists in Node.js’s OpenSSL integration when converting X.509 certificate fields to UTF-8 without freeing the allocated buffer. Calling socket.getPeerCertificatetrue causes a memory leak for each...