CVE-2026-21712
A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.
CVE-2026-21712 is fixed in 21 products on 2 platforms, first by RHSA-2026:7670, released March 12, 2026. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0033
26th percentile
A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Node.js | 25.8.2 | Node.js 25.8.2 | Mar 24, 2026 |
| Node.js (LTS) | 24.14.1 | Node.js (LTS) 24.14.1 | Mar 24, 2026 |
| Linux | |||
| nodejs · RHEL 8 | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| nodejs · RHEL 9 | 1:24.14.1-2.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| nodejs · almalinux 8 | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 | ALSA-2026:7670 | Apr 13, 2026 |
| nodejs · almalinux 9 | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 | ALSA-2026:7350 | Apr 9, 2026 |
| nodejs · ol 8 | 1:24.14.1-2.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| nodejs · ol 9 | 1:24.14.1-2.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| nodejs-devel · RHEL 8 | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| nodejs-devel · RHEL 9 | 1:24.14.1-2.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| nodejs-devel · almalinux 8 | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 | ALSA-2026:7670 | Apr 13, 2026 |
| nodejs-devel · almalinux 9 | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 | ALSA-2026:7350 | Apr 9, 2026 |
| nodejs-devel · ol 8 | 1:24.14.1-2.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| nodejs-devel · ol 9 | 1:24.14.1-2.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| nodejs-docs · RHEL 8 | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| nodejs-docs · RHEL 9 | 1:24.14.1-2.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| nodejs-docs · almalinux 8 | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 | ALSA-2026:7670 | Apr 13, 2026 |
| nodejs-docs · almalinux 9 | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 | ALSA-2026:7350 | Apr 9, 2026 |
| nodejs-docs · ol 8 | 1:24.14.1-2.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| nodejs-docs · ol 9 | 1:24.14.1-2.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| nodejs-full-i18n · RHEL 8 | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| nodejs-full-i18n · RHEL 9 | 1:24.14.1-2.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| nodejs-full-i18n · almalinux 8 | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 | ALSA-2026:7670 | Apr 13, 2026 |
| nodejs-full-i18n · almalinux 9 | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 | ALSA-2026:7350 | Apr 9, 2026 |
| nodejs-full-i18n · ol 8 | 1:24.14.1-2.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| nodejs-full-i18n · ol 9 | 1:24.14.1-2.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| nodejs-libs · RHEL 8 | 1:24.14.1-2.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| nodejs-libs · RHEL 9 | 1:24.14.1-2.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| nodejs-libs · almalinux 8 | 1:24.14.1-2.module_el8.10.0+4160+4819ac42 | ALSA-2026:7670 | Apr 13, 2026 |
| nodejs-libs · almalinux 9 | 1:24.14.1-2.module_el9.7.0+222+ef1c61e1 | ALSA-2026:7350 | Apr 9, 2026 |
| nodejs-libs · ol 8 | 1:24.14.1-2.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| nodejs-libs · ol 9 | 1:24.14.1-2.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| nodejs-nodemon · RHEL 8 | 0:3.0.3-1.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| nodejs-nodemon · RHEL 9 | 0:3.0.3-3.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| nodejs-nodemon · almalinux 8 | 3.0.3-1.module_el8.10.0+4061+f8ceeab9 | ALSA-2026:7670 | Apr 13, 2026 |
| nodejs-nodemon · almalinux 9 | 3.0.3-3.module_el9.7.0+209+ecf6523e | ALSA-2026:7350 | Apr 9, 2026 |
| nodejs-nodemon · ol 8 | 0:3.0.3-1.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| nodejs-nodemon · ol 9 | 0:3.0.3-3.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| nodejs-nodemon · rocky 8 | 0:3.0.3-1.module+el8.10.0+2084+ab509703 | RLSA-2026:7670 | Apr 13, 2026 |
| nodejs-nodemon · rocky 9 | 0:3.0.3-3.module+el9.7.0+40025+0e0cf6b2 | RLSA-2026:7350 | Apr 10, 2026 |
| nodejs-packaging · RHEL 8 | 0:2021.06-6.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| nodejs-packaging · RHEL 9 | 0:2021.06-6.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| nodejs-packaging · almalinux 8 | 2021.06-6.module_el8.10.0+4086+70facd4a | ALSA-2026:7670 | Apr 13, 2026 |
| nodejs-packaging · almalinux 9 | 2021.06-6.module_el9.7.0+209+ecf6523e | ALSA-2026:7350 | Apr 9, 2026 |
| nodejs-packaging · ol 8 | 0:2021.06-6.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| nodejs-packaging · ol 9 | 0:2021.06-6.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| nodejs-packaging · rocky 8 | 0:2021.06-6.module+el8.10.0+40048+6d99f608 | RLSA-2026:7670 | Apr 13, 2026 |
| nodejs-packaging · rocky 9 | 0:2021.06-6.module+el9.7.0+40052+e32ea525 | RLSA-2026:7350 | Apr 10, 2026 |
| nodejs-packaging-bundler · RHEL 8 | 0:2021.06-6.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| nodejs-packaging-bundler · RHEL 9 | 0:2021.06-6.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| nodejs-packaging-bundler · almalinux 8 | 2021.06-6.module_el8.10.0+4086+70facd4a | ALSA-2026:7670 | Apr 13, 2026 |
| nodejs-packaging-bundler · almalinux 9 | 2021.06-6.module_el9.7.0+198+8bf605ba | ALSA-2026:7350 | Apr 9, 2026 |
| nodejs-packaging-bundler · ol 8 | 0:2021.06-6.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| nodejs-packaging-bundler · ol 9 | 0:2021.06-6.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| nodejs24 · RHEL 10 | 24.14.1-2.el10_1 | RHSA-2026:7675 | Mar 12, 2026 |
| nodejs24 · amzn 2023 | 1:24.14.1-1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24 · ol 10 | 1:24.14.1-2.0.2.el10_1 | ELSA-2026-7675 | Jun 9, 2026 |
| nodejs24 · opensuse-leap 16.0 | 24.14.1-160000.1.1 | OPENSUSE-SU-2026:20519-1 | Apr 13, 2026 |
| nodejs24 · rocky 10 | 1:24.14.1-2.el10_1 | RLSA-2026:7675 | Apr 15, 2026 |
| nodejs24 · sles 15.7 | 24.14.1-150700.15.8.1 | SUSE-SU-2026:1299-1 | Apr 13, 2026 |
| nodejs24 · sles 16.0 | 24.14.1-160000.1.1 | SUSE-SU-2026:21181-1 | Apr 13, 2026 |
| nodejs24-debuginfo · amzn 2023 | 1:24.14.1-1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24-debugsource · amzn 2023 | 1:24.14.1-1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24-devel · amzn 2023 | 1:24.14.1-1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24-devel · ol 10 | 1:24.14.1-2.0.2.el10_1 | ELSA-2026-7675 | Jun 9, 2026 |
| nodejs24-docs · almalinux 10 | 1:24.14.1-2.el10_1 | ALSA-2026:7675 | Apr 13, 2026 |
| nodejs24-docs · amzn 2023 | 1:24.14.1-1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24-docs · ol 10 | 1:24.14.1-2.0.2.el10_1 | ELSA-2026-7675 | Jun 9, 2026 |
| nodejs24-full-i18n · amzn 2023 | 1:24.14.1-1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24-full-i18n · ol 10 | 1:24.14.1-2.0.2.el10_1 | ELSA-2026-7675 | Jun 9, 2026 |
| nodejs24-libs · amzn 2023 | 1:24.14.1-1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24-libs · ol 10 | 1:24.14.1-2.0.2.el10_1 | ELSA-2026-7675 | Jun 9, 2026 |
| nodejs24-libs-debuginfo · amzn 2023 | 1:24.14.1-1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24-npm · almalinux 10 | 1:11.11.0-1.24.14.1.2.el10_1 | ALSA-2026:7675 | Apr 13, 2026 |
| nodejs24-npm · amzn 2023 | 1:11.11.0-1.24.14.1.1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| nodejs24-npm · ol 10 | 1:11.11.0-1.24.14.1.2.0.2.el10_1 | ELSA-2026-7675 | Jun 9, 2026 |
| npm · RHEL 8 | 1:11.11.0-1.24.14.1.2.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| npm · RHEL 9 | 1:11.11.0-1.24.14.1.2.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| npm · almalinux 8 | 1:11.11.0-1.24.14.1.2.module_el8.10.0+4160+4819ac42 | ALSA-2026:7670 | Apr 13, 2026 |
| npm · almalinux 9 | 1:11.11.0-1.24.14.1.2.module_el9.7.0+222+ef1c61e1 | ALSA-2026:7350 | Apr 9, 2026 |
| npm · ol 8 | 1:11.11.0-1.24.14.1.2.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| npm · ol 9 | 1:11.11.0-1.24.14.1.2.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
| v8-13.6-devel · RHEL 8 | 3:13.6.233.17-1.24.14.1.2.module+el8.10.0+24190+49a46c75 | RHSA-2026:7670 | Mar 12, 2026 |
| v8-13.6-devel · RHEL 9 | 3:13.6.233.17-1.24.14.1.2.module+el9.7.0+24166+51c9666b | RHSA-2026:7350 | Mar 12, 2026 |
| v8-13.6-devel · almalinux 8 | 3:13.6.233.17-1.24.14.1.2.module_el8.10.0+4160+4819ac42 | ALSA-2026:7670 | Apr 13, 2026 |
| v8-13.6-devel · almalinux 9 | 3:13.6.233.17-1.24.14.1.2.module_el9.7.0+222+ef1c61e1 | ALSA-2026:7350 | Apr 9, 2026 |
| v8-13.6-devel · amzn 2023 | 3:13.6.233.17-1.24.14.1.1.amzn2023.0.1 | ALAS2023-2026-1578 | Apr 13, 2026 |
| v8-13.6-devel · ol 8 | 3:13.6.233.17-1.24.14.1.2.module+el8.10.0+90873+35652ecc | ELSA-2026-7670 | Apr 13, 2026 |
| v8-13.6-devel · ol 9 | 3:13.6.233.17-1.24.14.1.2.module+el9.7.0+90866+5a953a4c | ELSA-2026-7350 | Apr 10, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.