Description
The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.
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.*, 10.0 – < 10.*, 11.0 – < 11.*, 12.0 – < 12.22.7, 13.0 – < 13.*, 14.0 – < 14.18.1, 15.0 – < 15.*, 16.0 – < 16.11.1 | 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 | 12.22.7~dfsg-1 | — |
| Debian 13 | nodejs | 12.22.7~dfsg-1 | — |
| Debian 12 | nodejs | 12.22.7~dfsg-1 | — |
| Debian 11 | nodejs | 12.22.12~dfsg-1~deb11u1 | DSA-5170-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | nodejs +3 | 1:12.22.12-1.module+el8.6.0+15324+1f2c5d8d | RHSA-2022:0350, RHSA-2021:5171, RHEA-2022:5139 |
| RHEL 8 | nodejs-nodemon | 2.0.3-1.module+el8.4.0+11732+c668cc9f | RHSA-2022:0350, RHSA-2021:5171, RHEA-2022:5139 |
| RHEL 8 | nodejs-packaging | 17-3.module+el8.1.0+3369+37ae6a45 | RHSA-2022:0350, RHSA-2021:5171, RHEA-2022:5139 |
| RHEL 8 | npm | 1:6.14.15-1.14.18.2.2.module+el8.5.0+13644+8d46dafd | RHSA-2022:0350, RHSA-2021:5171, RHEA-2022:5139 |
| RHEL 3 | rh-nodejs12-nodejs +2 | 12.22.12-2.el7 | RHSA-2022:4914 |
| RHEL 3 | rh-nodejs12-npm | 6.14.16-12.22.12.2.el7 | RHSA-2022:4914 |
| RHEL 3 | rh-nodejs14-nodejs +2 | 14.18.2-1.el7 | RHSA-2022:0041 |
| RHEL 3 | rh-nodejs14-nodejs-nodemon | 2.0.3-6.el7 | RHSA-2022:0041 |
| RHEL 3 | rh-nodejs14-npm | 6.14.15-14.18.2.1.el7 | RHSA-2022:0041 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.4 EUS | nodejs +3 | 1:12.22.12-1.module+el8.4.0+15323+4d1cc445 | RHSA-2022:0246, RHEA-2022:5615 |
| RHEL 8.4 EUS | nodejs-nodemon | 2.0.3-1.module+el8.4.0+11732+c668cc9f | RHSA-2022:0246, RHEA-2022:5615 |
| RHEL 8.4 EUS | nodejs-packaging | 17-3.module+el8.1.0+3369+37ae6a45 | RHSA-2022:0246, RHEA-2022:5615 |
| RHEL 8.4 EUS | npm | 1:6.14.15-1.14.18.2.2.module+el8.4.0+13643+6c0ebf22 | RHSA-2022:0246, RHEA-2022:5615 |
| RHEL 8.2 EUS | nodejs +3 | 1:12.22.12-1.module+el8.2.0+15322+a70ca0ab | RHEA-2022:5221 |
| RHEL 8.2 EUS | nodejs-nodemon | 1.18.3-1.module+el8.1.0+3369+37ae6a45 | RHEA-2022:5221 |
| RHEL 8.2 EUS | nodejs-packaging | 17-3.module+el8.1.0+3369+37ae6a45 | RHEA-2022:5221 |
| RHEL 8.2 EUS | npm | 1:6.14.16-1.12.22.12.1.module+el8.2.0+15322+a70ca0ab | RHEA-2022:5221 |
| RHEL 8.1 E4S | nodejs +3 | 1:12.22.12-1.module+el8.1.0+15296+87b2f6ad | RHEA-2022:4925 |
| RHEL 8.1 E4S | nodejs-nodemon | 1.18.3-1.module+el8.1.0+3369+37ae6a45 | RHEA-2022:4925 |
| RHEL 8.1 E4S | nodejs-packaging | 17-3.module+el8.1.0+3369+37ae6a45 | RHEA-2022:4925 |
| RHEL 8.1 E4S | npm | 1:6.14.16-1.12.22.12.1.module+el8.1.0+15296+87b2f6ad | RHEA-2022:4925 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | nodejs +3 | 1:14.18.2-2.module_el8.5.0+254+b4526b16 | ALSA-2022:0350, ALSA-2021:5171 |
| AlmaLinux 8 | nodejs-nodemon | 2.0.15-1.module_el8.5.0+2605+45d748af | ALSA-2022:0350, ALSA-2021:5171 |
| AlmaLinux 8 | nodejs-packaging | 23-3.module_el8.4.0+2522+3bd42762 | ALSA-2022:0350, ALSA-2021:5171 |
| AlmaLinux 8 | npm | 1:6.14.15-1.14.18.2.2.module_el8.5.0+254+b4526b16 | ALSA-2022:0350, ALSA-2021:5171 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | nodejs | 1:14.18.2-2.module+el8.5.0+733+de4fee6c | RLSA-2022:0350, RLSA-2021:5171 |
| Rocky Linux 8 | nodejs-nodemon | 2.0.15-1.module+el8.5.0+721+4c107270 | RLSA-2022:0350, RLSA-2021:5171 |
| Rocky Linux 8 | nodejs-packaging | 23-3.module+el8.3.0+100+234774f7 | RLSA-2022:0350, RLSA-2021:5171 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | nodejs12 | 12.22.7-4.22.1 | SUSE-SU-2021:3940-1 |
| SLES 15 SP3 | nodejs14 | 14.18.1-15.21.2 | SUSE-SU-2021:3964-1 |
| SLES 15 SP2 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SLES 15 SP2 | nodejs12 | 12.22.7-4.22.1 | SUSE-SU-2021:3940-1 |
| SLES 15 SP2 | nodejs14 | 14.18.1-15.21.2 | SUSE-SU-2021:3964-1 |
| SLES 15 SP1 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SLES 15 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SLES 12 | nodejs12 | 12.22.9-1.38.1 | SUSE-SU-2022:0101-1 |
| SLES 12 | nodejs14 | 14.18.1-6.18.2 | SUSE-SU-2021:3886-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP2 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SLES for SAP 15 SP1 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SLES for SAP 15 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SLE HPC 15 SP2 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SLE HPC 15 SP1 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SLE HPC 15 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SUSE Manager Server 4.1 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SUSE Manager Retail Branch Server 4.1 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SUSE Manager Proxy 4.1 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SUSE Enterprise Storage 7 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| SUSE Enterprise Storage 6 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | nodejs14 | 14.18.1-1.1 | openSUSE-SU-2024:11616-1 |
| openSUSE Tumbleweed | nodejs16 | 16.13.0-1.1 | openSUSE-SU-2024:11637-1 |
| openSUSE Tumbleweed | python-httptools | 0.6.1-1.9 | openSUSE-SU-2025:15095-1 |
| openSUSE Leap 15.4 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| openSUSE Leap 15.3 | nodejs10 | 10.24.1-150000.1.47.1 | SUSE-SU-2022:2855-1 |
| openSUSE Leap 15.3 | nodejs12 | 12.22.7-4.22.1 | openSUSE-SU-2021:3940-1 |
| openSUSE Leap 15.3 | nodejs14 | 14.18.1-15.21.2 | openSUSE-SU-2021:3964-1 |
| openSUSE Leap 15.2 | nodejs12 | 12.22.7-lp152.3.21.1 | openSUSE-SU-2021:1574-1 |
| openSUSE Leap 15.2 | nodejs14 | 14.18.1-lp152.17.1 | openSUSE-SU-2021:1552-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | nodejs | 14.18.1-r0 | — |
| Alpine v3.24 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.23 | nodejs | 14.18.1-r0 | — |
| Alpine v3.23 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.22 | nodejs | 14.18.1-r0 | — |
| Alpine v3.22 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.21 | nodejs | 14.18.1-r0 | — |
| Alpine v3.21 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.20 | nodejs | 14.18.1-r0 | — |
| Alpine v3.20 | nodejs-current | 16.11.1-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | nodejs | 14.18.1-r0 | — |
| Alpine v3.19 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.18 | nodejs | 14.18.1-r0 | — |
| Alpine v3.18 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.17 | nodejs | 14.18.1-r0 | — |
| Alpine v3.17 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.16 | nodejs | 14.18.1-r0 | — |
| Alpine v3.16 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.15 | nodejs | 14.18.1-r0 | — |
| Alpine v3.15 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.14 | nodejs | 14.18.1-r0 | — |
| Alpine v3.14 | nodejs-current | 16.11.1-r0 | — |
| Alpine v3.13 | nodejs | 14.18.1-r0 | — |
| Alpine v3.12 | nodejs | 12.22.10-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | nodejs +4 | 1:18.12.1-1.amzn2023.0.2 | ALAS2023-2023-084 |
| Amazon Linux 2023 | npm | 1:8.19.2-1.18.12.1.1.amzn2023.0.2 | ALAS2023-2023-084 |
| Amazon Linux 2023 | v8-devel | 2:10.2.154.15-1.18.12.1.1.amzn2023.0.2 | ALAS2023-2023-084 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | nodejs +3 | 1:14.18.2-2.module+el8.5.0+20489+261d51d3 | ELSA-2022-0350, ELSA-2021-5171 |
| Oracle Linux 8 | nodejs-nodemon | 2.0.15-1.module+el8.5.0+20457+52828f44 | ELSA-2022-0350, ELSA-2021-5171 |
| Oracle Linux 8 | nodejs-packaging | 23-3.module+el8.3.0+7818+6cd30d85 | ELSA-2022-0350, ELSA-2021-5171 |
| Oracle Linux 8 | npm | 1:6.14.15-1.14.18.2.2.module+el8.5.0+20489+261d51d3 | ELSA-2022-0350, ELSA-2021-5171 |
Advisories 33
- RHSA-2022:0246 Red Hat Security Advisory: nodejs:14 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- ALSA-2021:5171 Moderate: nodejs:16 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:0350 Moderate: nodejs:14 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:4914 Red Hat Security Advisory: rh-nodejs12-nodejs security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2022:0350 Red Hat Security Advisory: nodejs:14 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHEA-2022:5615 Red Hat Enhancement Advisory: nodejs:12 bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2022:0041 Red Hat Security Advisory: rh-nodejs14-nodejs and rh-nodejs14-nodejs-nodemon security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHEA-2022:5139 Red Hat Enhancement Advisory: nodejs:12 bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHEA-2022:5221 Red Hat Enhancement Advisory: nodejs:12 bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHEA-2022:4925 Red Hat Enhancement Advisory: nodejs:12 bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2021:5171 Red Hat Security Advisory: nodejs:16 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- DSA-5170-1 nodejs - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:0350 Moderate: nodejs:14 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2021:5171 Moderate: nodejs:16 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- openSUSE-SU-2021:1574-1 Security update for nodejs12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3940-1 Security update for nodejs12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3964-1 Security update for nodejs14 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1552-1 Security update for nodejs14 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:15095-1 python311-httptools-0.6.1-1.9 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3886-1 Security update for nodejs14 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0101-1 Security update for nodejs12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2855-1 Security update for nodejs10 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11637-1 corepack16-16.13.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11616-1 nodejs14-14.18.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- FSA-202302 Festo: Several vulnerabilities in FactoryViews CERT@VDE · Feb 2, 2026
- WID-SEC-2025-2471 IBM Spectrum Protect Plus: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 3, 2025
- WID-SEC-2022-0100 Oracle Java SE und OpenJDK: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 2, 2025
- WID-SEC-2022-0093 Node.js: Mehrere Schwachstellen ermöglichen "HTTP request smuggling" BSI CERT-Bund (WID) · May 18, 2025
- openSUSE-SU-2021:3964-1 Security update for nodejs14 SUSE / openSUSE Security Updates · May 7, 2025
- openSUSE-SU-2021:3940-1 Security update for nodejs12 SUSE / openSUSE Security Updates · May 7, 2025
- ALAS2023-2023-084 Important: nodejs security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
- ELSA-2022-0350 Moderate: nodejs:14 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Feb 2, 2022
- ELSA-2021-5171 Moderate: nodejs:16 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Dec 16, 2021