Bug 2453037 (CVE-2026-21712) - CVE-2026-21712 Node.js: Node.js: Denial of Service via malformed Internationalized Domain Name processing
Summary: CVE-2026-21712 Node.js: Node.js: Denial of Service via malformed Internationa...
Keywords:
Status: NEW
Alias: CVE-2026-21712
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2453602 2453603 2453604 2453605
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-30 16:02 UTC by OSIDB Bzimport
Modified: 2026-04-13 02:47 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:7350 0 None None None 2026-04-09 20:20:43 UTC
Red Hat Product Errata RHSA-2026:7670 0 None None None 2026-04-13 02:47:44 UTC
Red Hat Product Errata RHSA-2026:7675 0 None None None 2026-04-13 02:23:16 UTC

Description OSIDB Bzimport 2026-03-30 16:02:51 UTC 
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.
Comment 2 errata-xmlrpc 2026-04-09 20:20:42 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:7350 https://access.redhat.com/errata/RHSA-2026:7350
Comment 3 errata-xmlrpc 2026-04-13 02:23:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:7675 https://access.redhat.com/errata/RHSA-2026:7675
Comment 4 errata-xmlrpc 2026-04-13 02:47:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:7670 https://access.redhat.com/errata/RHSA-2026:7670
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