CVE-2026-21712 Affecting nodejs:24/nodejs-nodemon package, versions <0:3.0.3-1.module_el8.10.0+4061+f8ceeab9


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALMALINUX8-NODEJS-16088901
  • published16 Apr 2026
  • disclosed9 Apr 2026

Introduced: 9 Apr 2026

CVE-2026-21712  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 nodejs:24/nodejs-nodemon to version 0:3.0.3-1.module_el8.10.0+4061+f8ceeab9 or higher.
This issue was patched in ALSA-2026:7670.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nodejs:24/nodejs-nodemon package and not the nodejs:24/nodejs-nodemon package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1