Vulnerability · Published Jun 26, 2026 · Assigned by hackerone
CVE-2026-48933
High 7.5
In plain English
A high-severity integer overflow in node from nodejs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)3.7%top 10.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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**.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | nodejs | 1:22.23.1-2.el10_2 | ALSA-2026:35842 |
| AlmaLinux:8 | nodejs | 1:22.23.1-1.module_el8.10.0+4231+1bf2f855 | ALSA-2026:41947 |
| AlmaLinux:8 | nodejs | 1:24.18.0-1.module_el8.10.0+4228+2938bc94 | ALSA-2026:39868 |
| AlmaLinux:9 | nodejs | 1:22.23.1-1.module_el9.8.0+276+8b329b47 | ALSA-2026:35892 |
| AlmaLinux:9 | nodejs | 1:24.18.0-1.module_el9.8.0+277+61fc613e | ALSA-2026:35891 |
| AlmaLinux:10 | nodejs-devel | 1:22.23.1-2.el10_2 | ALSA-2026:35842 |
| AlmaLinux:8 | nodejs-devel | 1:24.18.0-1.module_el8.10.0+4228+2938bc94 | ALSA-2026:39868 |
| AlmaLinux:8 | nodejs-devel | 1:22.23.1-1.module_el8.10.0+4231+1bf2f855 | ALSA-2026:41947 |
| AlmaLinux:9 | nodejs-devel | 1:22.23.1-1.module_el9.8.0+276+8b329b47 | ALSA-2026:35892 |
| AlmaLinux:9 | nodejs-devel | 1:24.18.0-1.module_el9.8.0+277+61fc613e | ALSA-2026:35891 |
| AlmaLinux:10 | nodejs-docs | 1:22.23.1-2.el10_2 | ALSA-2026:35842 |
| AlmaLinux:8 | nodejs-docs | 1:22.23.1-1.module_el8.10.0+4231+1bf2f855 | ALSA-2026:41947 |
| AlmaLinux:8 | nodejs-docs | 1:24.18.0-1.module_el8.10.0+4228+2938bc94 | ALSA-2026:39868 |
| AlmaLinux:9 | nodejs-docs | 1:24.18.0-1.module_el9.8.0+277+61fc613e | ALSA-2026:35891 |
| AlmaLinux:9 | nodejs-docs | 1:22.23.1-1.module_el9.8.0+276+8b329b47 | ALSA-2026:35892 |
| AlmaLinux:10 | nodejs-full-i18n | 1:22.23.1-2.el10_2 | ALSA-2026:35842 |
| AlmaLinux:8 | nodejs-full-i18n | 1:22.23.1-1.module_el8.10.0+4231+1bf2f855 | ALSA-2026:41947 |
| AlmaLinux:8 | nodejs-full-i18n | 1:24.18.0-1.module_el8.10.0+4228+2938bc94 | ALSA-2026:39868 |
| AlmaLinux:9 | nodejs-full-i18n | 1:22.23.1-1.module_el9.8.0+276+8b329b47 | ALSA-2026:35892 |
| AlmaLinux:9 | nodejs-full-i18n | 1:24.18.0-1.module_el9.8.0+277+61fc613e | ALSA-2026:35891 |
| AlmaLinux:10 | nodejs-libs | 1:22.23.1-2.el10_2 | ALSA-2026:35842 |
| AlmaLinux:8 | nodejs-libs | 1:24.18.0-1.module_el8.10.0+4228+2938bc94 | ALSA-2026:39868 |
| AlmaLinux:8 | nodejs-libs | 1:22.23.1-1.module_el8.10.0+4231+1bf2f855 | ALSA-2026:41947 |
| AlmaLinux:9 | nodejs-libs | 1:24.18.0-1.module_el9.8.0+277+61fc613e | ALSA-2026:35891 |
| AlmaLinux:9 | nodejs-libs | 1:22.23.1-1.module_el9.8.0+276+8b329b47 | ALSA-2026:35892 |
| AlmaLinux:8 | nodejs-nodemon | 3.0.1-1.module_el8.10.0+3956+47c9ee9f | ALSA-2026:41947 |
| AlmaLinux:8 | nodejs-nodemon | 3.0.3-1.module_el8.10.0+4061+f8ceeab9 | ALSA-2026:39868 |
| AlmaLinux:9 | nodejs-nodemon | 3.0.1-1.module_el9.7.0+208+fb06c0ab | ALSA-2026:35892 |
| AlmaLinux:9 | nodejs-nodemon | 3.0.3-3.module_el9.7.0+209+ecf6523e | ALSA-2026:35891 |
| AlmaLinux:10 | nodejs-npm | 1:10.9.8-1.22.23.1.2.el10_2 | ALSA-2026:35842 |
| AlmaLinux:8 | nodejs-packaging | 2021.06-6.module_el8.10.0+4158+e796f37f | ALSA-2026:41947 |
| AlmaLinux:8 | nodejs-packaging | 2021.06-6.module_el8.10.0+4086+70facd4a | ALSA-2026:39868 |
| AlmaLinux:9 | nodejs-packaging | 2021.06-6.module_el9.7.0+209+ecf6523e | ALSA-2026:35891 |
| AlmaLinux:9 | nodejs-packaging | 2021.06-6.module_el9.7.0+227+12323393 | ALSA-2026:35892 |
| AlmaLinux:8 | nodejs-packaging-bundler | 2021.06-6.module_el8.10.0+4086+70facd4a | ALSA-2026:39868 |
| AlmaLinux:8 | nodejs-packaging-bundler | 2021.06-6.module_el8.10.0+4158+e796f37f | ALSA-2026:41947 |
| AlmaLinux:9 | nodejs-packaging-bundler | 2021.06-6.module_el9.7.0+209+ecf6523e | ALSA-2026:35891 |
| AlmaLinux:9 | nodejs-packaging-bundler | 2021.06-6.module_el9.7.0+227+12323393 | ALSA-2026:35892 |
| AlmaLinux:10 | nodejs24 | 1:24.18.0-1.el10_2 | ALSA-2026:35841 |
| AlmaLinux:10 | nodejs24-devel | 1:24.18.0-1.el10_2 | ALSA-2026:35841 |
| AlmaLinux:10 | nodejs24-docs | 1:24.18.0-1.el10_2 | ALSA-2026:35841 |
| AlmaLinux:10 | nodejs24-full-i18n | 1:24.18.0-1.el10_2 | ALSA-2026:35841 |
| AlmaLinux:10 | nodejs24-libs | 1:24.18.0-1.el10_2 | ALSA-2026:35841 |
| AlmaLinux:10 | nodejs24-npm | 1:11.16.0-1.24.18.0.1.el10_2 | ALSA-2026:35841 |
| AlmaLinux:8 | npm | 1:11.16.0-1.24.18.0.1.module_el8.10.0+4228+2938bc94 | ALSA-2026:39868 |
| AlmaLinux:8 | npm | 1:10.9.8-1.22.23.1.1.module_el8.10.0+4231+1bf2f855 | ALSA-2026:41947 |
| AlmaLinux:9 | npm | 1:10.9.8-1.22.23.1.1.module_el9.8.0+276+8b329b47 | ALSA-2026:35892 |
| AlmaLinux:9 | npm | 1:11.16.0-1.24.18.0.1.module_el9.8.0+277+61fc613e | ALSA-2026:35891 |
| AlmaLinux:8 | v8-12.4-devel | 3:12.4.254.21-1.22.23.1.1.module_el8.10.0+4231+1bf2f855 | ALSA-2026:41947 |
| AlmaLinux:9 | v8-12.4-devel | 3:12.4.254.21-1.22.23.1.1.module_el9.8.0+276+8b329b47 | ALSA-2026:35892 |
| AlmaLinux:8 | v8-13.6-devel | 3:13.6.233.17-1.24.18.0.1.module_el8.10.0+4228+2938bc94 | ALSA-2026:39868 |
| AlmaLinux:9 | v8-13.6-devel | 3:13.6.233.17-1.24.18.0.1.module_el9.8.0+277+61fc613e | ALSA-2026:35891 |
| Alpine:v3.21 | nodejs | 22.23.0-r0 | ALPINE-CVE-2026-48933 |
| Alpine:v3.22 | nodejs | 22.23.0-r0 | ALPINE-CVE-2026-48933 |
| Alpine:v3.23 | nodejs | 24.17.0-r0 | ALPINE-CVE-2026-48933 |
| Alpine:v3.24 | nodejs | 24.17.0-r0 | ALPINE-CVE-2026-48933 |
| Debian:12 | nodejs | 18.20.4+dfsg-1~deb12u3 | DEBIAN-CVE-2026-48933 |
| Debian:13 | nodejs | 20.19.2+dfsg-1+deb13u3 | DEBIAN-CVE-2026-48933 |
| Debian:14 | nodejs | 24.17.0+dfsg+~cs24.13.2-1 | DEBIAN-CVE-2026-48933 |
| Rocky Linux:8 | nodejs | 1:24.18.0-1.module+el8.10.0+40252+a58646bc | RLSA-2026:39868 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1935+d3cbe60f | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.3-1.module+el8.10.0+2084+ab509703 | RLSA-2026:39868 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.9.0+1760+903d54b9 | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1667+4a788d89 | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1824+532140ee | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1823+b5789597 | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1924+614dc87f | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1666+930e28e8 | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1988+437f3d23 | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-nodemon | 0:3.0.1-1.module+el8.10.0+1989+e60144d9 | RLSA-2026:41947 |
| Rocky Linux:9 | nodejs-nodemon | 0:3.0.3-3.module+el9.7.0+40025+0e0cf6b2 | RLSA-2026:35891 |
| Rocky Linux:9 | nodejs-nodemon | 0:3.0.1-1.module+el9.7.0+40022+9ecc286c | RLSA-2026:35892 |
| Rocky Linux:9 | nodejs-nodemon | 0:3.0.1-1.module+el9.7.0+40165+d075e3f2 | RLSA-2026:35892 |
| Rocky Linux:9 | nodejs-nodemon | 0:3.0.1-1.module+el9.7.0+40153+4d595597 | RLSA-2026:35892 |
| Rocky Linux:8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+40171+8fa9c325 | RLSA-2026:39868 |
| Rocky Linux:8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+40172+38f6fdd1 | RLSA-2026:39868 |
| Rocky Linux:8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+40048+6d99f608 | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+40171+8fa9c325 | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+40172+38f6fdd1 | RLSA-2026:41947 |
| Rocky Linux:8 | nodejs-packaging | 0:2021.06-6.module+el8.10.0+40048+6d99f608 | RLSA-2026:39868 |
| Rocky Linux:9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+40153+4d595597 | RLSA-2026:35891 |
| Rocky Linux:9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+40165+d075e3f2 | RLSA-2026:35891 |
| Rocky Linux:9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+40052+e32ea525 | RLSA-2026:35891 |
| Rocky Linux:9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+40165+d075e3f2 | RLSA-2026:35892 |
| Rocky Linux:9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+40052+e32ea525 | RLSA-2026:35892 |
| Rocky Linux:9 | nodejs-packaging | 0:2021.06-6.module+el9.7.0+40153+4d595597 | RLSA-2026:35892 |
| Rocky Linux:10 | nodejs22 | 1:22.23.1-2.el10_2 | RLSA-2026:35842 |
| Rocky Linux:10 | nodejs24 | 1:24.18.0-1.el10_2 | RLSA-2026:35841 |
| Ubuntu:24.04:LTS | nodejs | no fix listed | UBUNTU-CVE-2026-48933 |
| Ubuntu:25.10 | nodejs | no fix listed | UBUNTU-CVE-2026-48933 |
| Ubuntu:26.04:LTS | nodejs | no fix listed | UBUNTU-CVE-2026-48933 |
| Ubuntu:26.10 | nodejs | no fix listed | UBUNTU-CVE-2026-48933 |
Affected products (as reported)
Weakness: CWE-190, CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://nodejs.org/en/blog/vulnerability/june-2026-security-releases
- https://access.redhat.com/security/cve/CVE-2026-48933 vdb-entry, x_refsource_REDHAT
- RHBZ#2493331 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48933.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:39246 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:35842 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:35841 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:41947 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:39868 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:52399 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:35892 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:35891 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:9455 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:28727 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:29012 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:7378 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:30172 vendor-advisory, x_refsource_REDHAT