CVE-2026-48933
High
Description
A flaw in Node.js WebCrypto implementation can crash the process if the input of `subtle.encrypt()` is a multiple of 2GiB. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
SeverityHigh
CVSS7.5
Exploit probability90. percentile3.7%
Product
Nodejs Node.js
PublishedJun 26, 2026
First seenJun 26, 2026
Weakness typeCWE-190Integer overflow
How to fix
Vendor advisories
- access.redhat.com/errata/RHSA-2026:39246
- access.redhat.com/errata/RHSA-2026:35842
- access.redhat.com/errata/RHSA-2026:35841
- access.redhat.com/errata/RHSA-2026:41947
- access.redhat.com/errata/RHSA-2026:39868
- access.redhat.com/errata/RHSA-2026:52399
- access.redhat.com/errata/RHSA-2026:35892
- access.redhat.com/errata/RHSA-2026:35891
- access.redhat.com/errata/RHSA-2026:9455
- access.redhat.com/errata/RHSA-2026:28727
- access.redhat.com/errata/RHSA-2026:29012
- access.redhat.com/errata/RHSA-2026:7378
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nodejs node.js | 22.22.3, 24.16.0, 26.3.0 | — |
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