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.
Scores
CVSS v3
6.5
EPSS
0.0361
EPSS Percentile
87.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-444
Status
published
Products (6)
debian/debian_linux
11.0
llhttp/llhttp
< 6.0.10
nodejs/node.js
14.0.0 - 14.14.0
nodejs/node.js
14.15.0 - 14.20.1
siemens/sinec_ins
1.0 (3 CPE variants)
siemens/sinec_ins
< 1.0
Published
Dec 05, 2022
Tracked Since
Feb 18, 2026