CVE-2022-35256

MEDIUM
6.5
CVSS Score
Published: December 5, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:51 AM UTC
4 products affected across 4 vendorsDebian LinuxNode.jsSINEC INS

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Severity
MEDIUM6.5
Exploit prediction
EPSS 3%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.0.10
Affected range stops below 6.0.10, so it looks safe — our inference, not a vendor statement
10.0 ≤ v < 10.*11.0 ≤ v < 11.*12.0 ≤ v < 12.*13.0 ≤ v < 13.*14.0 ≤ v < 14.20.114.0.0 ≤ v ≤ 14.14.014.15.0 ≤ v < 14.20.115.0 ≤ v < 15.*16.0 ≤ v < 16.17.116.0.0 ≤ v ≤ 16.12.016.13.0 ≤ v < 16.17.117.0 ≤ v < 17.*18.0 ≤ v < 18.9.118.0.0 ≤ v < 18.9.14.0 ≤ v < 4.*5.0 ≤ v < 5.*6.0 ≤ v < 6.*7.0 ≤ v < 7.*8.0 ≤ v < 8.*9.0 ≤ v < 9.*10.011.012.013.014.015.016.017.018.04.05.06.07.08.09.0
Affected range stops below 10.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.20.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.17.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 18.9.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-444

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