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: 2026-03-31 22:27 UTC (History)
2 users (show)

Fixed In Version:
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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.
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