Vulnerability · Published Aug 4, 2026 · Assigned by hackerone
CVE-2026-58042
Medium 5.9
In plain English
A medium-severity uncontrolled resource consumption 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 0.4% (higher than 31% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
A flaw in Node.js can cause dns.resolveAny() Aborts the Node.js Process When a DNS Response Contains More Than 256 A Records. Repeated triggering of this condition can lead to denial of service. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | nodejs | 1:22.23.2-1.el10_2 | ALSA-2026:61376 |
| AlmaLinux:8 | nodejs | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 |
| AlmaLinux:8 | nodejs | 1:22.23.2-1.module_el8.10.0+4265+75d28086 | ALSA-2026:62219 |
| AlmaLinux:9 | nodejs | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 |
| AlmaLinux:9 | nodejs | 1:22.23.2-1.module_el9.8.0+302+959ebcd4 | ALSA-2026:61383 |
| AlmaLinux:10 | nodejs-devel | 1:22.23.2-1.el10_2 | ALSA-2026:61376 |
| AlmaLinux:8 | nodejs-devel | 1:22.23.2-1.module_el8.10.0+4265+75d28086 | ALSA-2026:62219 |
| AlmaLinux:8 | nodejs-devel | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 |
| AlmaLinux:9 | nodejs-devel | 1:22.23.2-1.module_el9.8.0+302+959ebcd4 | ALSA-2026:61383 |
| AlmaLinux:9 | nodejs-devel | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 |
| AlmaLinux:10 | nodejs-docs | 1:22.23.2-1.el10_2 | ALSA-2026:61376 |
| AlmaLinux:8 | nodejs-docs | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 |
| AlmaLinux:8 | nodejs-docs | 1:22.23.2-1.module_el8.10.0+4265+75d28086 | ALSA-2026:62219 |
| AlmaLinux:9 | nodejs-docs | 1:22.23.2-1.module_el9.8.0+302+959ebcd4 | ALSA-2026:61383 |
| AlmaLinux:9 | nodejs-docs | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 |
| AlmaLinux:10 | nodejs-full-i18n | 1:22.23.2-1.el10_2 | ALSA-2026:61376 |
| AlmaLinux:8 | nodejs-full-i18n | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 |
| AlmaLinux:8 | nodejs-full-i18n | 1:22.23.2-1.module_el8.10.0+4265+75d28086 | ALSA-2026:62219 |
| AlmaLinux:9 | nodejs-full-i18n | 1:22.23.2-1.module_el9.8.0+302+959ebcd4 | ALSA-2026:61383 |
| AlmaLinux:9 | nodejs-full-i18n | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 |
| AlmaLinux:10 | nodejs-libs | 1:22.23.2-1.el10_2 | ALSA-2026:61376 |
| AlmaLinux:8 | nodejs-libs | 1:24.19.0-1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 |
| AlmaLinux:8 | nodejs-libs | 1:22.23.2-1.module_el8.10.0+4265+75d28086 | ALSA-2026:62219 |
| AlmaLinux:9 | nodejs-libs | 1:24.19.0-1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 |
| AlmaLinux:9 | nodejs-libs | 1:22.23.2-1.module_el9.8.0+302+959ebcd4 | ALSA-2026:61383 |
| AlmaLinux:8 | nodejs-nodemon | 3.1.14-2.module_el8.10.0+4250+09238ed4 | ALSA-2026:62583 |
| AlmaLinux:8 | nodejs-nodemon | 3.1.14-2.module_el8.10.0+4252+aedd4c30 | ALSA-2026:62219 |
| AlmaLinux:9 | nodejs-nodemon | 3.1.14-3.module_el9.8.0+292+f4eaf8b2 | ALSA-2026:61386 |
| AlmaLinux:9 | nodejs-nodemon | 3.1.14-2.module_el9.8.0+291+0bb98cce | ALSA-2026:61383 |
| AlmaLinux:10 | nodejs-npm | 1:10.9.8-1.22.23.2.1.el10_2 | ALSA-2026:61376 |
| AlmaLinux:8 | nodejs-packaging | 2021.06-6.module_el8.10.0+4158+e796f37f | ALSA-2026:62219 |
| AlmaLinux:8 | nodejs-packaging | 2021.06-6.module_el8.10.0+4086+70facd4a | ALSA-2026:62583 |
| AlmaLinux:9 | nodejs-packaging | 2021.06-6.module_el9.7.0+209+ecf6523e | ALSA-2026:61386 |
| AlmaLinux:9 | nodejs-packaging | 2021.06-6.module_el9.7.0+227+12323393 | ALSA-2026:61383 |
| AlmaLinux:8 | nodejs-packaging-bundler | 2021.06-6.module_el8.10.0+4086+70facd4a | ALSA-2026:62583 |
| AlmaLinux:8 | nodejs-packaging-bundler | 2021.06-6.module_el8.10.0+4158+e796f37f | ALSA-2026:62219 |
| AlmaLinux:9 | nodejs-packaging-bundler | 2021.06-6.module_el9.7.0+209+ecf6523e | ALSA-2026:61386 |
| AlmaLinux:9 | nodejs-packaging-bundler | 2021.06-6.module_el9.7.0+227+12323393 | ALSA-2026:61383 |
| AlmaLinux:10 | nodejs24 | 1:24.19.0-1.el10_2 | ALSA-2026:61377 |
| AlmaLinux:10 | nodejs24-devel | 1:24.19.0-1.el10_2 | ALSA-2026:61377 |
| AlmaLinux:10 | nodejs24-docs | 1:24.19.0-1.el10_2 | ALSA-2026:61377 |
| AlmaLinux:10 | nodejs24-full-i18n | 1:24.19.0-1.el10_2 | ALSA-2026:61377 |
| AlmaLinux:10 | nodejs24-libs | 1:24.19.0-1.el10_2 | ALSA-2026:61377 |
| AlmaLinux:10 | nodejs24-npm | 1:11.17.0-1.24.19.0.1.el10_2 | ALSA-2026:61377 |
| AlmaLinux:8 | npm | 1:10.9.8-1.22.23.2.1.module_el8.10.0+4265+75d28086 | ALSA-2026:62219 |
| AlmaLinux:8 | npm | 1:11.17.0-1.24.19.0.1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 |
| AlmaLinux:9 | npm | 1:11.17.0-1.24.19.0.1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 |
| AlmaLinux:9 | npm | 1:10.9.8-1.22.23.2.1.module_el9.8.0+302+959ebcd4 | ALSA-2026:61383 |
| AlmaLinux:8 | v8-12.4-devel | 3:12.4.254.21-1.22.23.2.1.module_el8.10.0+4265+75d28086 | ALSA-2026:62219 |
| AlmaLinux:9 | v8-12.4-devel | 3:12.4.254.21-1.22.23.2.1.module_el9.8.0+302+959ebcd4 | ALSA-2026:61383 |
| AlmaLinux:8 | v8-13.6-devel | 3:13.6.233.17-1.24.19.0.1.module_el8.10.0+4268+8e07aa5a | ALSA-2026:62583 |
| AlmaLinux:9 | v8-13.6-devel | 3:13.6.233.17-1.24.19.0.1.module_el9.8.0+301+084fac05 | ALSA-2026:61386 |
| Alpine:v3.21 | nodejs | 22.23.2-r0 | ALPINE-CVE-2026-58042 |
| Alpine:v3.22 | nodejs | 22.23.2-r0 | ALPINE-CVE-2026-58042 |
| Alpine:v3.23 | nodejs | 24.18.1-r0 | ALPINE-CVE-2026-58042 |
| Alpine:v3.24 | nodejs | 24.18.1-r0 | ALPINE-CVE-2026-58042 |
| Alpine:v3.24 | nodejs-current | 26.5.1-r0 | ALPINE-CVE-2026-58042 |
| Debian:12 | nodejs | 18.20.4+dfsg-1~deb12u3 | DEBIAN-CVE-2026-58042 |
| Debian:13 | nodejs | 20.19.2+dfsg-1+deb13u3 | DEBIAN-CVE-2026-58042 |
| Debian:14 | nodejs | 24.19.0+dfsg+~cs24.13.3-1 | DEBIAN-CVE-2026-58042 |
| Ubuntu:24.04:LTS | nodejs | no fix listed | UBUNTU-CVE-2026-58042 |
| Ubuntu:26.04:LTS | nodejs | no fix listed | UBUNTU-CVE-2026-58042 |
| Ubuntu:26.10 | nodejs | no fix listed | UBUNTU-CVE-2026-58042 |
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H