CVE-2026-21712
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- CVE-2026-21712
CVE Details
| Release Date: | 2026-03-30 | |
| Impact: | Moderate | What is this? |
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.
See more information about CVE-2026-21712 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 6.5 |
| Vector String: | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 9 (nodejs) | ELSA-2026-7350 | 2026-04-10 |
| Oracle Linux version 9 (nodejs-nodemon) | ELSA-2026-7350 | 2026-04-10 |
| Oracle Linux version 9 (nodejs-packaging) | ELSA-2026-7350 | 2026-04-10 |
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