CVE-2026-48933 | THREATINT

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**.

PUBLISHED Reserved 2026-05-26 | Published 2026-06-26 | Updated 2026-07-07 | Assigner hackerone

HIGH: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-190 Integer Overflow

Product status

Default status

unaffected

22.22.3 (semver)

affected

24.16.0 (semver)

affected

26.3.0 (semver)

affected

References

access.redhat.com/security/cve/CVE-2026-48933 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2493331 (RHBZ#2493331) issue-tracking

security.access.redhat.com/...2/vex/2026/cve-2026-48933.json

access.redhat.com/errata/RHSA-2026:35842 vendor-advisory

access.redhat.com/errata/RHSA-2026:35841 vendor-advisory

access.redhat.com/errata/RHSA-2026:35892 vendor-advisory

access.redhat.com/errata/RHSA-2026:35891 vendor-advisory

access.redhat.com/errata/RHSA-2026:9455 vendor-advisory

access.redhat.com/errata/RHSA-2026:28727 vendor-advisory

access.redhat.com/errata/RHSA-2026:29012 vendor-advisory

access.redhat.com/errata/RHSA-2026:7378 vendor-advisory

access.redhat.com/errata/RHSA-2026:30172 vendor-advisory

nodejs.org/en/blog/vulnerability/june-2026-security-releases

cve.org (CVE-2026-48933)

nvd.nist.gov (CVE-2026-48933)

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