CVE-2022-35256

Public Exploit

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 3.64% Top 15%
Vendor Advisory debian.org
Affected: NodeJS Node
Published at:
Updated at:

References

Link Tags
https://hackerone.com/reports/1675191 third party advisory issue tracking exploit
https://cert-portal.siemens.com/productcert/pdf/ssa-332410.pdf third party advisory
https://www.debian.org/security/2023/dsa-5326 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-35256?
CVE-2022-35256 has been scored as a medium severity vulnerability.
How to fix CVE-2022-35256?
To fix CVE-2022-35256, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-35256 being actively exploited in the wild?
It is possible that CVE-2022-35256 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-35256?
CVE-2022-35256 affects NodeJS Node.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.