Description
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
Scores
CVSS v3
6.5
EPSS
0.0023
EPSS Percentile
45.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Details
CWE
CWE-444
Status
published
Products (4)
debian/debian_linux
11.0
llhttp/llhttp
< 2.1.4
oracle/graalvm
20.3.4
oracle/graalvm
21.3.0
Published
Nov 03, 2021
Tracked Since
Feb 18, 2026