CVE-2025-59465
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)
})
})
```
CWE
- CWE-400 — CWE-400 Uncontrolled Resource Consumption
Affected
- nodejs / node — v=20.19.6 ≤20.19.6 [affected]; v=22.21.1 ≤22.21.1 [affected]; v=24.12.0 ≤24.12.0 [affected]; v=25.2.1 ≤25.2.1 [affected]; v=4.0 <4.* [affected]; v=5.0 <5.* [affected]; v=6.0 <6.* [affected]; v=7.0 <7.* [affected]; v=8.0 <8.* [affected]; v=9.0 <9.* [affected]; v=10.0 <10.* [affected]; v=11.0 <11.* [affected]; v=12.0 <12.* [affected]; v=13.0 <13.* [affected]; v=14.0 <14.* [affected]; v=15.0 <15.* [affected]; v=16.0 <16.* [affected]; v=17.0 <17.* [affected]; v=18.0 <18.* [affected]
CVSS
- 3.0 score=7.5 severity=HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Source
cvelistV5-main/cves/2025/59xxx/CVE-2025-59465.json