CVE-2026-21712

Name
CVE-2026-21712
Description
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.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
support@hackerone.com https://hackerone.com/reports/3546390
support@hackerone.com https://nodejs.org/en/blog/vulnerability/march-2026-security-releases

Match rules

CPE URI Source package Min version Max version

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
nodejs edge-main 24.14.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
nodejs 3.23-main 24.14.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed