CVE-2026-48933
- State
- Published
- Severity
- 7.5 High
- Published
- Jun 26, 2026
- Updated
- Aug 10, 2026
- Reserved
- May 26, 2026
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**.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 7.5 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | hackerone |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | redhat-SADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
nodenodejs |
|
References
- https://nodejs.org/en/blog/vulnerability/june-2026-security-releases
- https://access.redhat.com/security/cve/CVE-2026-48933vdb-entry
- RHBZ#2493331issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48933.json
- https://access.redhat.com/errata/RHSA-2026:39246vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:35842vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:35841vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:41947vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:39868vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:52399vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:35892vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:35891vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:9455vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:28727vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:29012vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:7378vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:30172vendor-advisory
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