VULNERABILITY INTELLIGENCE

CVE-2025-59465

CVSS score7.5 HIGH
EPSS probability3.96%
CISA KEVNot currently listed
Published2026-01-20
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A malformed `HTTP/2 HEADERS` frame with oversized, invalid `HPACK` data can cause Node.js to crash by triggering an unhandled `TLSSocket` error `ECONNRESET`. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not attach explicit error handlers to secure sockets, for example: ``` server.on('secureConnection', socket => { socket.on('error', err => { console.log(err) }) }) ```

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-400
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-248

Primary references