Description
Node.js < 12.18.4 and < 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads to unsuspecting users. The payloads can be crafted by an attacker to hijack user sessions, poison cookies, perform clickjacking, and a multitude of other attacks depending on the architecture of the underlying system. The attack was possible due to a bug in processing of carrier-return symbols in the HTTP header names.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| NodeJS | Node | 4.0 – < 4.*, 5.0 – < 5.*, 6.0 – < 6.*, 7.0 – < 7.*, 8.0 – < 8.*, 9.0 – < 9.*, 11.0 – < 11.*, 12.0 – < 12.18.4, 13.0 – < 13.*, 14.0 – < 14.11.0 | 4.* |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nodejs | 12.18.4~dfsg-1 | — |
| Debian 13 | nodejs | 12.18.4~dfsg-1 | — |
| Debian 12 | nodejs | 12.18.4~dfsg-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | nodejs +3 | 1:12.18.4-2.module+el8.2.0+8361+192e434e | RHSA-2020:4272 |
| RHEL 8 | nodejs-nodemon | 1.18.3-1.module+el8.1.0+3369+37ae6a45 | RHSA-2020:4272 |
| RHEL 8 | nodejs-packaging | 17-3.module+el8.1.0+3369+37ae6a45 | RHSA-2020:4272 |
| RHEL 8 | npm | 1:6.14.6-1.12.18.4.2.module+el8.2.0+8361+192e434e | RHSA-2020:4272 |
| RHEL 3 | rh-nodejs12-nodejs +2 | 12.18.4-3.el7 | RHSA-2020:5086 |
| RHEL 3 | rh-nodejs12-npm | 6.14.6-12.18.4.3.el7 | RHSA-2020:5086 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.1 EUS | nodejs +3 | 1:12.18.4-2.module+el8.1.0+8360+14141500 | RHSA-2020:4903 |
| RHEL 8.1 EUS | nodejs-nodemon | 1.18.3-1.module+el8.1.0+3369+37ae6a45 | RHSA-2020:4903 |
| RHEL 8.1 EUS | nodejs-packaging | 17-3.module+el8.1.0+3369+37ae6a45 | RHSA-2020:4903 |
| RHEL 8.1 EUS | npm | 1:6.14.6-1.12.18.4.2.module+el8.1.0+8360+14141500 | RHSA-2020:4903 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | nodejs-nodemon | 1.18.3-1.module_el8.3.0+2023+d2377ea3 | ALSA-2020:4272 |
| AlmaLinux 8 | nodejs-packaging | 17-3.module_el8.3.0+2023+d2377ea3 | ALSA-2020:4272 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | nodejs-nodemon | 1.18.3-1.module+el8.3.0+101+f84c7154 | RLSA-2020:4272 |
| Rocky Linux 8 | nodejs-packaging | 17-3.module+el8.3.0+101+f84c7154 | RLSA-2020:4272 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | nodejs12 | 12.18.4-4.6.1 | SUSE-SU-2020:2813-1 |
| SLES 12 | nodejs12 | 12.18.4-1.20.1 | SUSE-SU-2020:2812-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | nodejs14 | 14.17.5-1.2 | openSUSE-SU-2024:11096-1 |
| openSUSE Leap 15.2 | nodejs12 | 12.18.4-lp152.3.6.1 | openSUSE-SU-2020:1616-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | nodejs | 12.18.4-r0 | — |
| Alpine v3.24 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.23 | nodejs | 12.18.4-r0 | — |
| Alpine v3.23 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.22 | nodejs | 12.18.4-r0 | — |
| Alpine v3.22 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.21 | nodejs | 12.18.4-r0 | — |
| Alpine v3.21 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.20 | nodejs | 12.18.4-r0 | — |
| Alpine v3.20 | nodejs-current | 14.11.0-r0 | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | nodejs | 12.18.4-r0 | — |
| Alpine v3.19 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.18 | nodejs | 12.18.4-r0 | — |
| Alpine v3.18 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.17 | nodejs | 12.18.4-r0 | — |
| Alpine v3.17 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.16 | nodejs | 12.18.4-r0 | — |
| Alpine v3.16 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.15 | nodejs | 12.18.4-r0 | — |
| Alpine v3.15 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.14 | nodejs | 12.18.4-r0 | — |
| Alpine v3.14 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.13 | nodejs | 12.18.4-r0 | — |
| Alpine v3.13 | nodejs-current | 14.11.0-r0 | — |
| Alpine v3.12 | nodejs | 12.18.4-r0 | — |
| Alpine v3.11 | nodejs | 12.20.1-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libuv +2 | 1:1.39.0-1.amzn2 | ALAS2-2021-1581 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | nodejs +3 | 1:12.18.4-2.module+el8.2.0+7806+0b44ae23 | ELSA-2020-4272 |
| Oracle Linux 8 | nodejs-nodemon | 1.18.3-1.module+el8.1.0+5393+aaf413e3 | ELSA-2020-4272 |
| Oracle Linux 8 | nodejs-packaging | 17-3.module+el8.1.0+5393+aaf413e3 | ELSA-2020-4272 |
| Oracle Linux 8 | npm | 1:6.14.6-1.12.18.4.2.module+el8.2.0+7806+0b44ae23 | ELSA-2020-4272 |
Advisories 13
- ALSA-2020:4272 Moderate: nodejs:12 security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:5086 Red Hat Security Advisory: rh-nodejs12-nodejs security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2020:4903 Red Hat Security Advisory: nodejs:12 security and bug fix update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2020:4272 Red Hat Security Advisory: nodejs:12 security and bug fix update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RLSA-2020:4272 Moderate: nodejs:12 security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2020:2812-1 Security update for nodejs12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2813-1 Security update for nodejs12 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1616-1 Security update for nodejs12 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11096-1 nodejs14-14.17.5-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-0486 Node.js: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 27, 2023
- ICSA-22-111-03 Hitachi Energy MicroSCADA Pro/X SYS600 CISA ICS & IT advisories · Apr 21, 2022
- ALAS2-2021-1581 Important: libuv security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 6, 2021
- ELSA-2020-4272 Moderate: nodejs:12 security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 20, 2020