Vulnerability Details CVE-2026-48933
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**.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.028
EPSS Ranking 84.9%
CVSS Severity
CVSS v3 Score 7.5
References
- https://nodejs.org/en/blog/vulnerability/june-2026-security-releases
- https://access.redhat.com/errata/RHSA-2026:28727
- https://access.redhat.com/errata/RHSA-2026:29012
- https://access.redhat.com/errata/RHSA-2026:30172
- https://access.redhat.com/errata/RHSA-2026:35841
- https://access.redhat.com/errata/RHSA-2026:35842
- https://access.redhat.com/errata/RHSA-2026:35891
- https://access.redhat.com/errata/RHSA-2026:35892
- https://access.redhat.com/errata/RHSA-2026:39246
- https://access.redhat.com/errata/RHSA-2026:39868
- https://access.redhat.com/errata/RHSA-2026:7378
- https://access.redhat.com/errata/RHSA-2026:9455
- https://access.redhat.com/security/cve/CVE-2026-48933
- https://bugzilla.redhat.com/show_bug.cgi?id=2493331
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48933.json