medium6.5
CVE-2026-21712
A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) …
Impact
A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nodejs | Node.Js | from 24.0.0 through 24.14.0 from 25.0.0 through 25.8.1 |