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.
[
{
"product": "https://github.com/nodejs/llhttp",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Fixed in v2.1.4 and v6.0.6"
}
]
}
]