CVE-2022-35256 Other in Node

What is CVE-2022-35256?

CVE-2022-35256 is a medium-severity vulnerability in Debian Debian Linux, published on 5 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-444

Which versions are affected by CVE-2022-35256?

2 open source packages ship an affected version, including node and node-min. It affects 4 products.

Products include Debian Debian Linux, Llhttp Llhttp, Nodejs Node.js, Siemens Sinec Ins.

How do I fix CVE-2022-35256?

Upgrade node to a fixed version for your release line: 14.14.1, 14.20.1, 16.12.1 or 16.17.1.

Is CVE-2022-35256 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-35256 exists.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2022-35256, AZL-31039, AZL-35235, BIT-node-2022-35256, BIT-node-min-2022-35256, CLEANSTART-2026-ER75870 and 4 more.