Read the docs
TI-2022-15935 Aliases CVE-2022-35256GHSA-rc2m-q589-vpqx

The llhttp parser in the http module in Node v18.7.0 does not correctly handle header…

Priority HIGH 68CWE-444Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

The llhttp parser in the http module in Node v18.7.0 does not correctly handle header fields that are not terminated with CLRF. This may result in HTTP Request Smuggling.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02764 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Node (NodeJS): 14.20.1, 16.17.1, 18.9.1Red Hat: 8 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeJSNode4.0 and later; 5.0 and later; 6.0 and later; 7.0 and later; 8.0 and later; 9.0 and later; 10.0 and later; 11.0 and later; 12.0 and later; 13.0 and later; 14.0 to before 14.20.1; 15.0 and later; 16.0 to before 16.17.1; 17.0 and later; 18.0 to before 18.9.114.20.1, 16.17.1, 18.9.1Patch availableCNA
  • Node VendorNodeJS Affected 4.0 and later; 5.0 and later; 6.0 and later; 7.0 and later; 8.0 and later; 9.0 and later; 10.0 and later; 11.0 and later; 12.0 and later; 13.0 and later; 14.0 to before 14.20.1; 15.0 and later; 16.0 to before 16.17.1; 17.0 and later; 18.0 to before 18.9.1 Fixed in 14.20.1, 16.17.1, 18.9.1 Patch available CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*14.0.0 – 14.14.0VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*14.15.0 to before 14.20.1VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*16.0.0 – 16.12.0VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*16.13.0 to before 16.17.1VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*18.0.0 to before 18.9.1VulnerableNodeJS
cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:*before 6.0.10VulnerableLlhttp
cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*before 1.0VulnerableSiemens
cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:*1.0VulnerableSiemens
cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*1.0 sp1VulnerableSiemens
cpe:2.3:a:siemens:sinec_ins:1.0:sp2:*:*:*:*:*:*1.0 sp2VulnerableSiemens
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 14.0.0 – 14.14.0 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* Versions 14.15.0 to before 14.20.1 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 16.0.0 – 16.12.0 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* Versions 16.13.0 to before 16.17.1 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 18.0.0 to before 18.9.1 Vulnerable ·NodeJS
  • cpe:2.3:a:llhttp:llhttp:*:*:*:*:*:node.js:*:* Versions before 6.0.10 Vulnerable ·Llhttp
  • cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:* Versions before 1.0 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:* Versions 1.0 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:* Versions 1.0 sp1 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:sinec_ins:1.0:sp2:*:*:*:*:*:* Versions 1.0 sp2 Vulnerable ·Siemens
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

  • Fix · CNA Node (NodeJS) Fixed in 14.20.1, 16.17.1, 18.9.1

Red Hat 8 advisories

  • RHSA-2023:1742 Released 2023-04-12 · Red Hat rating Important
    nodejs:14 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) nodejs-1:14.21.3-1.module+el8.6.0+18532+cbe6f646.aarch64::nodejs:14, nodejs-1:14.21.3-1.module+el8.6.0+18532+cbe6f646.ppc64le::nodejs:14, nodejs-1:14.21.3-1.module+el8.6.0+18532+cbe6f646.s390x::nodejs:14 +19
  • RHSA-2023:1533 Released 2023-03-30 · Red Hat rating Important
    nodejs:14 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream EUS (v.8.4) nodejs-1:14.21.3-1.module+el8.4.0+18317+43f5ac16.aarch64::nodejs:14, nodejs-1:14.21.3-1.module+el8.4.0+18317+43f5ac16.ppc64le::nodejs:14, nodejs-1:14.21.3-1.module+el8.4.0+18317+43f5ac16.s390x::nodejs:14 +19
  • RHSA-2023:0321 Released 2023-01-23 · Red Hat rating Moderate
    nodejs and nodejs-nodemon security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) nodejs-1:16.18.1-3.el9_1, nodejs-docs-1:16.18.1-3.el9_1, nodejs-full-i18n-1:16.18.1-3.el9_1 +3
Show 5 more Red Hat advisories
  • RHSA-2022:7830 Released 2022-11-08 · Red Hat rating Moderate
    nodejs:14 security update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:14.20.1-2.module+el8.7.0+16991+b0a68a3e.aarch64::nodejs:14, nodejs-1:14.20.1-2.module+el8.7.0+16991+b0a68a3e.ppc64le::nodejs:14, nodejs-1:14.20.1-2.module+el8.7.0+16991+b0a68a3e.s390x::nodejs:14 +19
  • RHSA-2022:7821 Released 2022-11-08 · Red Hat rating Important
    nodejs:18 security update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:18.9.1-1.module+el8.7.0+16806+4109802b.aarch64::nodejs:18, nodejs-1:18.9.1-1.module+el8.7.0+16806+4109802b.ppc64le::nodejs:18, nodejs-1:18.9.1-1.module+el8.7.0+16806+4109802b.s390x::nodejs:18 +20
  • RHSA-2022:7044 Released 2022-10-19 · Red Hat rating Moderate
    rh-nodejs14-nodejs security update
    • Red Hat Software Collections for RHEL Workstation(v. 7) rh-nodejs14-nodejs-14.20.1-2.el7, rh-nodejs14-nodejs-devel-14.20.1-2.el7, rh-nodejs14-nodejs-docs-14.20.1-2.el7 +1
    • Red Hat Software Collections for RHEL(v. 7) rh-nodejs14-nodejs-14.20.1-2.el7, rh-nodejs14-nodejs-devel-14.20.1-2.el7, rh-nodejs14-nodejs-docs-14.20.1-2.el7 +1
  • RHSA-2022:6963 Released 2022-10-18 · Red Hat rating Important
    nodejs security update
    • Red Hat Enterprise Linux AppStream (v. 9) nodejs-1:16.17.1-1.el9_0, nodejs-docs-1:16.17.1-1.el9_0, nodejs-full-i18n-1:16.17.1-1.el9_0 +2
  • RHSA-2022:6964 Released 2022-10-17 · Red Hat rating Important
    nodejs:16 security update
    • Red Hat Enterprise Linux AppStream (v. 8) nodejs-1:16.17.1-1.module+el8.6.0+16848+a483195a.aarch64::nodejs:16, nodejs-1:16.17.1-1.module+el8.6.0+16848+a483195a.ppc64le::nodejs:16, nodejs-1:16.17.1-1.module+el8.6.0+16848+a483195a.s390x::nodejs:16 +19

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:6964, RHSA-2022:7821, RHSA-2022:7830
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:6963, RHSA-2023:0321
Red Hat Enterprise Linux AppStream EUS (v.8.4)Fixed RHSA-2023:1533
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2023:1742
Red Hat Software Collections for RHEL Workstation(v. 7)Fixed RHSA-2022:7044
Red Hat Software Collections for RHEL(v. 7)Fixed RHSA-2022:7044
Not affected: 2 products
  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux AppStream (v. 9)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-35256
  2. 2026-10-03 Alias added: GHSA-rc2m-q589-vpqx

References

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2016-01993 The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other… CVSS 3.1HIGH 7.5
  • TI-2024-03325 Command injection vulnerability in programing languages on Microsoft Windows operating system. CVSS 3.1CRITICAL 9.8
  • TI-2022-03472 X.509 Email Address Variable Length Buffer Overflow CVSS 3.1HIGH 7.5
  • TI-2022-03315 X.509 Email Address 4-byte Buffer Overflow CVSS 3.1HIGH 7.5
See all 186 →

Sources